Dell S500

Dell S500 Ultra Short Throw Projector

Features
Native Resolution: WXGA (1,280 x 800)
Brightness (Maximum): 3,200 lumens
Contrast Ratio: 2,300:1
Max Throw Ratio: 0.3
Image Size Range (Diagonal): 77" to 100"
Projection Distance: 19" to 26"
Display Technology: DLP (single chip)
Weight: 15.6 lbs.
Dimensions (W x H x D): 12.9" x 7.5" x 16.6"
Integrated Speakers: 5 watt stereo
AV Ports In: HDMI, two RGB/component (mini D-sub 15-pin) ports, S-video, composite video, USB mini-B (display), stereo RCA audio jacks, stereo minijack, microphone port (minijack)
AV Ports Out: RGB (mini D-sub 15-pin) port, stereo minijack
Networking, Control & Peripheral Ports: LAN (RJ-45), two USB (one type A, one type B), RS-232; optional: WiFi USB adapter
Keystone Correction: +40°/-35° vertical
Light Source: 280W
Max Lamp Life: 3,000 hours
Audible Noise: 31 dB (eco mode)

http://www.dell.com/us/en/k-12/peripherals/projector-dell-s500/pd.aspx?c=us&l=en&refid=projector-dell-s500&s=k12