Sony DX142 Specifications (a) optical parameters Product Type: business projector, education projector projection technology: 3LCD Display chip: 0.63 inches chip projector Features: Interactive Brightness: 3200 lumens Contrast Ratio: 2000: 1 Standard Resolution: XGA (1024 * 768) Maximum resolution: 1600 * 1200 Source Type: ultra-high pressure mercury lamp power: 210W Lamp Life: Normal mode: 5000 hours, Economy mode: 7000 hours (two) projection parameters zoom: manual zoom gathering: Manual Focus Zoom ratio: 1.2 times projected ratio: 1.37-1.8: 1 Projection Size: 30-300 inches Scanning Frequency: Horizontal: 15-92kHZ Vertical: 48-92Hz Computer Compatibility: NTSC3.58, PAL, SECAM, NTSC4.43, PAL -M, PAL-N Video Compatibility: Video (composite), 15k (480 / 60i, 575 / 50i), DTV (480 / 60p, 575 / 50p, 720 / 60p, 720 / 50p, 1080 / 60i, 1080 / 50i, 1080 / 60p, 1080 / 50p) Speaker: 1W (three) interface parameters input terminals: 1 × 1 × earphone jack Audio: 1 × 15 core shared with RGB input A / Y Pb Pr inputs 1 × audio input interface : stereo mini-jack 1 × HDMI (digital RGB / Y Pb Pr, digital audio) (HDCP support) (d) Electrical Specifications: Total power: 269W, Standby power: <0.5W Power Performance: AC220-240V, 50 / 60Hz (five) other parameters: Size: 315 × 75 × 230.5mm Weight: 2.5kg Other features: Freeze picture black, six kinds of picture modes (Vivid, publish, games, blackboard, cinema, standard), 12 bit 3D gamma correction, power directly switch, which is pulled off, ECO mode, auto mode, quick start (six) Environmental parameters: Operating temperature 0-40 ℃ Storage temperature -10-60 ℃