Optoma projektor UHD42 (DLP, 4K UHD, 3400 ANSI, 500 000:1, 2xHDMI, VGA, USB, Audio, RS232, 12V, 1x 10W speakers)

Display technology DLP
Resolution UHD (3840×2160)
Brightness 3,400 lumens
Contrast ratio 500,000:1
Native aspect ratio 16:9
Aspect ratio – compatible 4:3
Keystone correction – vertical +/-40°
Horizontal scan rate 31 ~ 135Khz
Vertical scan rate 24 ~ 120Hz
Uniformity 80%
Screen size 0.87m ~ 7.68m (34.1″ ~ 302.4″) diagonal
Light source type Lamp
Lamp watts 240
Lamp life hours (up to) 4000 (Bright), 15000 (Dynamic), 10000 (Eco)
Throw ratio 1.21:1 ~ 1.59:1
Projection distance (m) 1.2m – 8.1m
Zoom 1.3
Zoom type Manual
Focal length (mm) 12.81 ~ 16.74
Lens shift Vertical +10%
Native offset 105%

Connections
Inputs 1 x HDMI 2.0, 1 x HDMI 1.4a 3D support, 1 x VGA (YPbPr/RGB), 1 x Audio 3.5mm
Outputs 1 x Audio 3.5mm, 1 x S/PDIF
Control 1 x USB-A power 1.5A, 1 x USB-A service, 1 x RS232, 1 x 12V trigger

Noise level (typical) 26dB
PC compatibility UHD, WQHD, WUXGA, FHD, UXGA, SXGA, WXGA, HD, XGA, SVGA, VGA, Mac
2D compatibility 480i/p, 576i/p, 720p(50/60Hz), 1080i(50/60Hz), 1080p(50/60Hz), 2160p(50/60Hz)
3D Full 3D
Security Security bar, Kensington Lock, Password protected interface
OSD / display languages 10 languages: English, French, German, Italian, Japanese, Portuguese, Russian, Chinese (simplified), Spanish
Operating conditions 5°C ~ 40°C, Max. Humidity 85%, Max. Altitude 3000m

Speaker count 1
Watts per speaker 10W