Screen Size Range: 50-inches from 4.79 feet; 300-inches from 29.36 feet
White Brightness: 4400 Lumens; Color Brightness: 4400 Lumens
Contrast Ratio: 10,000:1; Keystone Correction: Yes; Lens Shift: No
Warranty: 2 Year Limited; Lamp Life: Up to 4,000 hours (ECO mode) and up to 3000 hours (Normal mode)
Connectivity: HDMI 1/MHL, HDMI 2, Audio 1, Audio 2, Audio R & L, Audio Out, Computer 1, Computer 2, Kensington Security Lock Port, LAN, Monitor Out, RS-232c, USB (Type A), USB (Type B), VideoUSB (Type A), USB (Type B), Video
Throw Ratio Range: 1.38 (Zoom: Wide) - 2.28 (Zoom: Tele). Size (projected distance): 50" - 300" (1.46 - 8.95 m) (Zoom: Wide)