bids are invited for ust vps --1 ust vps make & model type: ultra short-throw ratio with dlp technology projection system dlp dc3 dmd chip native resolution wxga /higher brightness 3500 lumens /better contrast ratio* 10,000:1 display colour 1.07 billion aspect ratio native 16:10 5 aspect ratio selectable light source lamp light source life* normal 5000 hrs. minimum economic 8000 hrs. smart eco 10000 hrs. lamp save 12000 hrs. throw ratio 0.35 zoom ratio fixed lens control manual focus lens shift vertical: ±2% keystone correction 2d, vertical ± 15 degrees keystone correction horizontal ± 15 degrees projection size 80~100 or higher projection offset 122±5%( (full-height) aanti-theft security bar kensington anti-theft lock slot wall mount supply and install on site as per location feature support hdmi 2.0 4k2k input optional interactive point write module compatibility. 2d keystone infographic/ vivid mode corner fit, digital zoom(2x), digital shrink and shift, lan control,, interactive compatibility provision resolution support vga to wuxga or better horizontal frequency 15~102khz vertical scan rate 23 ~ 120 hz hdtv compatibility 480i, 480p, 576i, 567p, 720p, 1080i, 1080p video compatibility ntsc, pal, secam power supply 100 ~ 240v ac noise level(normal/eco) 34/29 dba operating temperature 0 ~ 40oc built-in speaker 10w x2 interface hdmi-1 hdmi-2 pc in d-sub monitor out d-sub composite video in audio in & out both / audio rca nic d-sub 9pin, male usb type a usb type b usb type mini b ir remote accessories data cable should be compatibility 3d glasses should be compatibility. point write kit should be compatibility.pointwrite touch module should be compatibility. wireless dongle: qcast mirror interactive point write module compatibility. compatibility. infographic/ vivid mode environment temperature: -20~60°c; humidity: 10~90%rh (without condensation) noise level (normal/eco) 34/29 dba feature lens shift offers the extra flexibility digital shrink & shift for effortless display adjustment corner fit correction streamlined wall mount alignment high brightness ultra short-throw ratio point write interactive solution compatible total quantity : 1