Optoma ZK431ST Short throw projector 4100 ANSI lumens DLP UHD 4K (3840x2160) 3D White

Short throw projector White DLP 4100 ANSI lumens Laser 30000 h UHD 4K (3840x2160) 16:9 300000:1 Screen size compatibility: 914.4 - 7620 mm (36 - 300") Number of colours: 1.073 billion colours Focus: Manual Built-in speaker(s) 15 W 3D AC Projector Projector brightness 4100 ANSI lumens Projection technology DLP Projector native resolution UHD 4K (3840x2160) Contrast ratio (typical) 300000:1 Native aspect ratio 16:9 Supported aspect ratios 4:3, 16:10, 16:9, 21:9 Screen size compatibility 914.4 - 7620 mm (36 - 300") Projection distance 0.4 - 3.3 m Number of colours 1.073 billion colours Uniformity 75% Vertical scan range 24 - 240 Hz Horizontal scan range 15 - 150 kHz Keystone correction, vertical 15° Keystone correction, horizontal 15° Light source Light source type Laser Service life of light source 30000 h Lens system Focus Manual Fixed focal length 7.51 mm Zoom type Fixed Throw ratio 0.496:1 Offset 114% Video Analog signal format system NTSC, NTSC 3.58, NTSC 4.43, NTSC J, NTSC M, PAL, PAL 4.43, PAL B, PAL D, PAL G, PAL H, PAL I, PAL M, PAL N, SECAM B, SECAM D, SECAM G, SECAM K, SECAM K1, SECAM L, SECAM 4.25/4.4 Full HD Yes 3D Yes Supported 3D formats Frame Sequential Supported graphics resolutions 1600 x 1200 (UXGA), 1280 x 1024 (SXGA), 1280 x 768 (WXGA), 1920 x 1080 (HD 1080), 1024 x 768 (XGA), 800 x 600 (SVGA), 640 x 480 (VGA) Ports & interfaces HDMI ports quantity 2 HDMI version 2.0 USB 2.0 Type-A ports quantity 2 Headphone outputs 1 Serial interface type RJ-45, RS-232 3D sync port Yes 12V trigger ports quantity 1 12V trigger Yes Enhanced Audio Return Channel (eARC) Yes Features Noise level 29 dB Preset modes Golf On Screen Display (OSD) Yes On Screen Display (OSD) languages Arabic, Czech, Danish, German, Dutch, English, Farsi, Finnish, French, Greek, Hungarian, Indonesian, Italian, Japanese, Norwegian, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Traditional Chinese, Spanish, Swedish, Turkish, Vietnamese Number of OSD languages 25 International Protection (IP) code IP6X Password protection Yes Multimedia Built-in speaker(s) Yes Number of built-in speakers 1 RMS rated power 15 W Design Product type Short throw projector Product colour White Cable lock slot type Kensington Power Power source AC Power consumption (standby) 0.5 W Power consumption (max) 178 W AC input voltage 100 - 240 V AC input frequency 50 - 60 Hz Auto power off Yes Operational conditions Operating temperature (T-T) 0 - 40 °C Operating relative humidity (H-H) 0 - 80% Operating altitude 0 - 762 m Weight & dimensions Weight 2.9 kg Width 274 mm Depth 216 mm Height 114 mm Package weight 4.3 kg Packaging content Remote control included Yes Batteries included Yes Manual Yes Cables included Power