Benq 9H.JGP77.13E - MX808ST, DLP, XGA, Short-throw(81"@1m), Brightness: 3000 AL, 2.6kg, High contrast ratio 12,000:1, Noise level: 29db (Eco mode), 15,000 hrs lamp life (LampSave Mode), SmartEco, Computer in x 2, Monitor out, USB A x 1 (USB power 5V/1.5A), HDMI 1.4a, 3D via HDMI, Brilliant color, Optional interactive kit(PW02/PT12)