Optoma Photon Life PK31

MSRP$1,099

Brand	Optoma · Photon Life
Type	Lifestyle
Released	October 2025
Resolution	4K UHD (1080p pixel shift)
HDR formats	HDR10, HLG
Imaging technology	DLP
Light source type	LED
ISO light output	900 lm
Throw ratio	1.5–1.65:1
Input lag (rated)	3840×2160 @ 60 Hz: 16 ms · 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8 ms · 1920×1080 @ 240 Hz: 4.6 ms

A compact single-chip DLP projector with 4K UHD output, an RGB LED light source rated at 900 ISO lumens, and a fixed-lens manual-zoom design with a 5 W mono speaker. It has one HDMI 2.0 input and a 3.5 mm audio output, no lens shift and manual keystone only, and suits casual home viewing and gaming on a 60 to 150 inch image.

Data sheet

Picture

Imaging technology	DLP
Chip / panel diagonal	0.47 in
Native aspect ratio	16:9
Native resolution	1920 × 1080
Addressable resolution	3840 × 2160
Dynamic contrast	200,000:1
DCI-P3 gamut	95%
Bit depth / 'number of colours'	30 bit
Picture mode memories	3
HDR formats	HDR10, HLG
Max refresh rate	1920×1080: 240 Hz · 3840×2160: 60 Hz
Input lag (rated)	3840×2160 @ 60 Hz: 16 ms · 1920×1080 @ 60 Hz: 16 ms · 1920×1080 @ 120 Hz: 8 ms · 1920×1080 @ 240 Hz: 4.6 ms

Optics

Throw ratio	1.5–1.65:1
Projection distance table	60″: 1.99–2.19 m · 80″: 2.66–2.92 m · 100″: 3.32–3.65 m · 120″: 3.99–4.38 m · 150″: 4.98–5.48 m
Zoom type	Optical
Zoom ratio	1.1×
Focus	Manual
Fixed offset	105%
Focal length	15.84–17.45 mm
F-number	2–2.05
Image size range	60–150 in
Vertical keystone	-40–40°
Horizontal keystone	-40–40°
Corner / warp correction	Warp

Light source

Light source type	LED
Light source detail	RGB LED
Light source life	Eco: 30,000 h
ISO light output	900 lm ISO 21118	ISO 21118
Brightness uniformity (centre-to-corner)	90%

Audio

Speaker power	5 W
Speaker count	1
Audio outputs	3.5 mm
Bluetooth audio out	No

Inputs, control & connectivity

Max input signal	3840 × 2160
HDMI port count	1
HDMI ports (feature-level)	HDMI: HDMI 2.0
Horizontal scan frequency	15–255 kHz
Vertical scan frequency	23–240 Hz
LAN control	No
Wi-Fi	None

Firmware / software

Smart OS

None

Environment & power

Operating temperature	0–40°C
Altitude / high-altitude mode	3,048 m
High-altitude mode	Yes
Operating orientations	Table, Ceiling, Rear
Rated voltage	100–240 V
Rated frequency	50–60 Hz
Power consumption (max)	110 W
Power consumption by mode	Eco typical: 55 W · Bright typical: 86 W
Standby power	0.5 W
Power supply	External brick
Fan noise (sound pressure)	Eco: 26 dB(A) · Bright: 32 dB(A)

Physical & installation

Width	238 mm
Depth	215 mm
Height	118 mm
Weight	2.2 kg
Tripod socket	Yes

Support & ownership

Warranty	🇺🇸 US 1 yr Third-party listing; the Optoma USA warranty terms page was unreadable.
User manual	https://region-resource.optoma.com/products/documents/gd5s39XIvjRwwGTvf9nC00Dh4xpLDBTrjLLA96Ro.pdf
Photobiological risk group	RG2
Safety & market certifications	FCC

In the box

Box contents	Power adapter, Remote, Batteries, User manual
Remote type	IR

Tools

Throw calculator — How far from the screen the Photon Life PK31 needs to sit for a given image size, set to its 1.5–1.65:1 lens.
Download spec as CSV — Every value on this data sheet with its unit and source, one row per spec.
Download spec as JSON — The same data from the open data API, with variants and identifiers.