3500 Lumens LED Projector Home Theater USB TV 3D HD 1080P Business VGA/HDMI Cabinet Color: Black Lamp: Lamp Life (Hours) 30000hours Aspect Ratio: 4:3 and 16:9 Display Size: 50-250inch Brightness: 3500lumens Contrast Ratio: 2000:1 Throw Distance: 1.2-6m Keystone Correction: ±12°