Display Type: Tft Lcd Technology Resolution: 800x480 Compatible Resolution: 800x600; 1024x768,1280x800,1920x1080 Brightness: 800 Lumens Contrast: 800:1 Aspect Ratio: 4:3 ,16:9 Projection Method: Front/ Rear/ Suspended Ceiling Projection Keystone Correction: +/- 15 Degrees Focusing Manner: Manual Focus Image Size: 34 To 130 Inches Projection Distance: 1.07-3.8m Lamp: Led Lamp Speakers: 8ω2w Lamp Life: Estimated Life Of Over 20,000 Hours