{"brand":{"slug":"optoma","name":"Optoma"},"model":{"slug":"pk31","name":"Optoma Photon Life PK31","status":"published","lifecycle":"released","category":"lifestyle","url":"https://projectordb.com/projectors/optoma/pk31"},"aliases":[{"alias":"Photon Life PK31","kind":"marketing_name","region":null},{"alias":"PK31","kind":"model_number","region":null}],"variants":[{"id":392,"name":"Standard, US","color":null,"region":"US","is_default":1}],"identifiers":[{"variant_id":392,"scheme":"asin","value":"B0FQSZ63ZP","region":"US","source_url":null},{"variant_id":392,"scheme":"gtin12","value":"796435448066","region":"US","source_url":"https://www.optomausa.com/product/photon-life-pk31"}],"specs":[{"key":"audio.bt_out","label":"Bluetooth audio out","value":false,"unit":null,"standard":"Bluetooth (A2DP etc.)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"no wireless audio output"}]},{"key":"audio.outputs","label":"Audio outputs","value":["3.5mm"],"unit":null,"standard":"HDMI ARC/eARC, S/PDIF","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"HDMI 2.0 x 1 Audio Out 3.5 mm USB Type-A x 1 DC Jack"}]},{"key":"audio.speaker_count","label":"Speaker count","value":1,"unit":null,"standard":"ISO/IEC 21118 item 15","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Speaker count & Watts per speaker 1 x 5 W"}]},{"key":"audio.speaker_watts_total","label":"Speaker power","value":5,"unit":"W","standard":"ISO/IEC 21118 item 15 (stated; no measurement method)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Speaker count & Watts per speaker 1 x 5 W"}]},{"key":"box.contents","label":"Box contents","value":["power_adapter","remote","batteries","user_manual"],"unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"AC power adapter Remote control 2x AAA batteries Basic user manual"}]},{"key":"box.remote_type","label":"Remote type","value":"ir","unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Remote control Infrared (IR) remote control"}]},{"key":"brightness.iso_lumens","label":"ISO light output","value":900,"unit":"lm","standard":"ISO/IEC 21118:2020 + IEC 61947-1 9-point method","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"900 ISO lumens / 1600 HK lumens"}]},{"key":"brightness.uniformity_pct","label":"Brightness uniformity (centre-to-corner)","value":90,"unit":"%","standard":"ISO/IEC 21118 (centre-to-corner ratio, production average)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Uniformity 90%"}]},{"key":"calibration.picture_memories","label":"Picture mode memories","value":3,"unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"three ISF picture-setting memories"}]},{"key":"color.bit_depth","label":"Bit depth / 'number of colours'","value":30,"unit":"bit","standard":"ISO/IEC 21118 ('number of colours')","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"Colour 1.07 Billion Colors"}]},{"key":"color.gamut_dcip3_pct","label":"DCI-P3 gamut","value":95,"unit":"%","standard":"SMPTE RP 431-2 (DCI) / EG 432-1 (P3-D65)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"wide color support including 95% DCI-P3"}]},{"key":"compliance.certifications","label":"Safety & market certifications","value":["fcc"],"unit":null,"standard":"IEC 62368-1 Ed. 4 (CB scheme), EN IEC 62368-1:2024, regional marks","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"This device has been tested and found to comply with the limits for a Class B digital device pursuant to Part 15 of the FCC rules."}]},{"key":"connectivity.wifi","label":"Wi-Fi","value":"none","unit":null,"standard":"IEEE 802.11; Bluetooth SIG","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"Neither model includes Wi-Fi, Bluetooth, or any wireless display capability."}]},{"key":"contrast.dynamic","label":"Dynamic contrast","value":200000,"unit":":1","standard":"None (display-only)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Contrast ratio 200,000:1"}]},{"key":"control.lan","label":"LAN control","value":false,"unit":null,"standard":"Vendor protocols; PJLink","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"LAN - control No"}]},{"key":"env.altitude_max_m","label":"Altitude / high-altitude mode","value":3048,"unit":"m","standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Max Altitude (operating): 10,000 ft., for 0°C~30°C"}]},{"key":"env.high_altitude_mode","label":"High-altitude mode","value":true,"unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"When “On” is selected, the fans will spin faster. This feature is useful in high altitude areas where the air is thin."}]},{"key":"env.operating_temp_c","label":"Operating temperature","value":[0,40],"unit":"°C","standard":"ISO/IEC 21118 items 21–22","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Max Temperature (operating): 0 ~ 40°C"}]},{"key":"env.orientations","label":"Operating orientations","value":["table","ceiling","rear"],"unit":null,"standard":"ISO/IEC 21118 'operation position'","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"Installation orientations Front, Rear, Ceiling, Rear-top"}]},{"key":"gaming.input_lag_ms","label":"Input lag (rated)","value":{"3840x2160@60":16,"1920x1080@60":16,"1920x1080@120":8,"1920x1080@240":4.6},"unit":"ms","standard":"No standard; de-facto Leo Bodnar tester","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Input Lag (Game Mode) 4K 60Hz: 16ms 1080P 60Hz: 16ms 1080P 120Hz: 8ms 1080P 240Hz: 4.6ms"}]},{"key":"gaming.max_refresh","label":"Max refresh rate","value":{"1920x1080":240,"3840x2160":60},"unit":"Hz","standard":"HDMI / vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"1080p (24/30/50/60/120/240Hz), 2160p (24/30/50/60Hz)"}]},{"key":"hdr.formats","label":"HDR formats","value":["hdr10","hlg"],"unit":null,"standard":"SMPTE ST 2084 (PQ) + ST 2086; ITU-R BT.2100-3 (PQ & HLG) / ARIB STD-B67; HDR10+ ","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"HDR HDR10 HLG"}]},{"key":"imaging.addressable_resolution","label":"Addressable resolution","value":"3840x2160","unit":"px","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Resolution 4K UHD (3840x2160)"}]},{"key":"imaging.chip_size_in","label":"Chip / panel diagonal","value":0.47,"unit":"in","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"use a 0.47-inch DLP DMD chip along with XPR pixel-shifting technology"}]},{"key":"imaging.native_aspect","label":"Native aspect ratio","value":"16:9","unit":null,"standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Native aspect ratio 16:9"}]},{"key":"imaging.native_resolution","label":"Native resolution","value":"1920x1080","unit":"px","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.testberichte.de/p/optoma-tests/photon-life-pk31-testbericht.html","title":"Optoma Photon Life PK31 listing (testberichte.de)","kind":"spec_database","quote":"1080p (1920x1080)"}]},{"key":"imaging.technology","label":"Imaging technology","value":"dlp","unit":null,"standard":"ISO/IEC 21118 Table 1, display system","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Display technology DLP"}]},{"key":"inputs.hdmi_count","label":"HDMI port count","value":1,"unit":null,"standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"HDMI 2.0 x 1 Audio Out 3.5 mm USB Type-A x 1 DC Jack"}]},{"key":"inputs.hdmi_ports","label":"HDMI ports (feature-level)","value":[{"label":"HDMI","version":"2.0"}],"unit":null,"standard":"HDMI Forum specifications; HDCP 1.4/2.2/2.3","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"HDMI 2.0 x 1 Audio Out 3.5 mm USB Type-A x 1 DC Jack"}]},{"key":"inputs.max_input_resolution","label":"Max input signal","value":"3840x2160","unit":null,"standard":"ISO/IEC 21118 items 17.1/17.2","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"2160p (24/30/50/60Hz)"}]},{"key":"inputs.scan_freq_h_khz","label":"Horizontal scan frequency","value":[15,255],"unit":"kHz","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Horizontal scan rate 15 KHz ~ 255 KHz"}]},{"key":"inputs.scan_freq_v_hz","label":"Vertical scan frequency","value":[23,240],"unit":"Hz","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Vertical scan rate 23 Hz ~ 240 Hz"}]},{"key":"install.tripod_socket","label":"Tripod socket","value":true,"unit":null,"standard":"ISO 1222 (¼″-20 UNC)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"standard 1/4\"-20 tripod mount thread on the underside of both units"}]},{"key":"light.life_hours","label":"Light source life","value":{"eco":30000},"unit":"h","standard":"ISO/IEC 21118 item 7 (time to 50% output)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Light source life 30,000 hours (eco mode)"}]},{"key":"light.source","label":"Light source type","value":"led","unit":null,"standard":"ISO/IEC 21118 Table 1 item 6","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Light source type RGB LED"}]},{"key":"light.source_detail","label":"Light source detail","value":"RGB LED","unit":null,"standard":"ISO/IEC 21118 item 6","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Light source type RGB LED"}]},{"key":"noise.spl_db","label":"Fan noise (sound pressure)","value":{"eco":26,"bright":32},"unit":"dB(A)","standard":"ISO/IEC 21118 item 20 → ISO 11201 (bystander emission sound pressure)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Noise level (min) 26 dB (eco mode) Noise level (max) 32 dB (bright mode)"}]},{"key":"observed.input_lag_ms","label":"Measured input lag","value":17,"unit":"ms","standard":"Leo Bodnar 1080p60/4K60 tester (middle bar)","basis":"measured","mode":null,"conditions":"4K60, Low Latency on, Leo Bodnar 4K lag tester. Low Latency off: 33.8 ms at 4K60 and 17.2 ms at 1080p120; Low Latency on: 8.9 ms at 1080p120 and 4.5 ms at 1080p240.","sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"4K/60fps 33.8ms 17.0ms 1080/120fps 17.2 ms 8.9ms 1080/240fps N/A 4.5ms"}]},{"key":"observed.max_lumens","label":"Measured max lumens","value":862,"unit":"lm","standard":"9-point (IEC 61947-1-style) by reviewer","basis":"measured","mode":null,"conditions":"Bright mode; meter and method not stated. Other modes: Vivid 620, Cinema 631, Game 636, Reference 631 lumens.","sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"while the PK31 max light output was 862 lumens"}]},{"key":"optics.corner_correction","label":"Corner / warp correction","value":"warp","unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"Four Corner Adjustment 5 x 3 Warp"}]},{"key":"optics.f_number","label":"F-number","value":[2,2.05],"unit":null,"standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"4K Standard Model: 2.0 to 2.05 F-stop 4K Advanced Model: 1.94 to 2.12"}]},{"key":"optics.fixed_offset_pct","label":"Fixed offset","value":105,"unit":"%","standard":"Vendor (no common convention)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Native offset 105%±3%"}]},{"key":"optics.focal_length_mm","label":"Focal length","value":[15.843,17.445],"unit":"mm","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Focal length (mm) 15.843 mm ~ 17.445 mm"}]},{"key":"optics.focus","label":"Focus","value":"manual","unit":null,"standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"To adjust the focus, turn the focus ring clockwise or counterclockwise until the image is sharp and legible."}]},{"key":"optics.image_size_in","label":"Image size range","value":[60,150],"unit":"in","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Screen size 60“ ~ 150“ diagonal"}]},{"key":"optics.keystone_h_deg","label":"Horizontal keystone","value":[-40,40],"unit":"°","standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Manual V+H Keystone 40 degree / 40 degree"}]},{"key":"optics.keystone_v_deg","label":"Vertical keystone","value":[-40,40],"unit":"°","standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Manual V+H Keystone 40 degree / 40 degree"}]},{"key":"optics.projection_distance_m","label":"Projection distance table","value":{"60":[1.992,2.192],"80":[2.657,2.922],"100":[3.321,3.653],"120":[3.985,4.383],"150":[4.981,5.479]},"unit":"m","standard":"ISO/IEC 21118 item 9","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"60 1524 747 1328 1992 2092 2192 37 ... 80 2032 996 1771 2657 2789 2922 50 ... 100 2540 1245 2214 3321 3487 3653 62 ... 120 3048 1494 2657 3985 4184 4383 75 ... 150 3810 1868 3321 4981 5230 5479 93"}]},{"key":"optics.throw_ratio","label":"Throw ratio","value":[1.5,1.65],"unit":":1","standard":"ISO/IEC 21118 item 9, §3.6","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Throw ratio 1.5 ~ 1.65"}]},{"key":"optics.zoom_ratio","label":"Zoom ratio","value":1.1,"unit":"×","standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Optical Zoom 1.1x"}]},{"key":"optics.zoom_type","label":"Zoom type","value":"optical","unit":null,"standard":"ISO/IEC 21118 Table 1","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Optical Zoom 1.1x"}]},{"key":"physical.depth_mm","label":"Depth","value":215,"unit":"mm","standard":"ISO 21118 (later items, preview-limited)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"W/o feet: 238 x 215 x 117.7 mm"}]},{"key":"physical.height_mm","label":"Height","value":117.7,"unit":"mm","standard":"ISO 21118 (later items, preview-limited)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"W/o feet: 238 x 215 x 117.7 mm"}]},{"key":"physical.weight_kg","label":"Weight","value":2.2,"unit":"kg","standard":"ISO 21118 (later items)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Net weight 2.2 Kg ± 0.2 kg / 5.2lbs."}]},{"key":"physical.width_mm","label":"Width","value":238,"unit":"mm","standard":"ISO 21118 (later items, preview-limited)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"W/o feet: 238 x 215 x 117.7 mm"}]},{"key":"power.psu","label":"Power supply","value":"external_brick","unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"AC power adapter"}]},{"key":"power.rated_frequency_hz","label":"Rated frequency","value":[50,60],"unit":"Hz","standard":"ISO/IEC 21118 items 23–24","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Power supply AC 100 ~ 240V, 50 ~ 60 Hz"}]},{"key":"power.rated_voltage","label":"Rated voltage","value":[100,240],"unit":"V","standard":"ISO/IEC 21118 items 23–24","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Power supply AC 100 ~ 240V, 50 ~ 60 Hz"}]},{"key":"power.watts_by_mode","label":"Power consumption by mode","value":{"eco_typical":55,"bright_typical":86},"unit":"W","standard":"ISO/IEC 21118","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"55 W (typical), 72 W (max)@110 Vac ... 86W (typical) , 110W (max) @110 Vac"}]},{"key":"power.watts_max","label":"Power consumption (max)","value":110,"unit":"W","standard":"ISO/IEC 21118","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"86W (typical) , 110W (max) @110 Vac"}]},{"key":"power.watts_standby","label":"Standby power","value":0.5,"unit":"W","standard":"EU 2023/826 (from 9 May 2025)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"Power consumption (standby) 0.5 W"}]},{"key":"safety.iec62471_5_risk_group","label":"Photobiological risk group","value":"RG2","unit":null,"standard":"IEC 62471-5:2015 (image projectors)","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","title":"Optoma PK31 user manual, English (linked from the Optoma USA PK31 page)","kind":"manual","quote":"this product is Risk Group 2, IEC 62471-5:2015"}]},{"key":"smart.os","label":"Smart OS","value":"none","unit":null,"standard":"Vendor / Google certification","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorreviews.com/optoma/optoma-photon-life-pk32-pk31-projectors-review/","title":"Optoma Photon Life PK32-PK31 Projectors Review (Projector Reviews, Phil Jones, 2026-05-25)","kind":"review","quote":"There is no onboard smart platform, no wireless audio output, and no app-based control."}]},{"key":"support.manual_url","label":"User manual","value":"https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf","unit":null,"standard":"Vendor","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.optomausa.com/product/photon-life-pk31","title":"Optoma Photon Life PK31 specifications (Optoma USA)","kind":"manufacturer_spec_page","quote":"PK31 User Manual English"}]},{"key":"support.warranty","label":"Warranty","value":[{"region":"US","years":1}],"unit":"years","standard":"Vendor / regional consumer law","basis":"rated","mode":null,"conditions":null,"sources":[{"url":"https://www.projectorcentral.com/optoma-photon_life_pk31.htm","title":"Optoma Photon Life PK31 specifications (ProjectorCentral)","kind":"spec_database","quote":"Warranty 1 Year","covers":["US"]}]}],"license":"CC BY 4.0, attribution: ProjectorDB"}