Features: Image System: TFT LCD Brightness: 800 Lumens Original Aspect Ratio: 4:3 / 16 : 9 LCD Contrast Ratio: 800 : 1 Native resolution: Up to 800 * 480 Pixels (RGB). Support Resolution: Up to 1920 * 1080 Pixels. LED Lamp Using Life: More than 20000 hours (at least ten times longer than a traditional Lamp Projector). Lens: F=125 Projection Distance: 1.07 ~ 3.8m Projection size: 34 ~ 130 in Color: White Keystone Correction: 15 degrees Projection Mode : Front / rear / front ceiling / Rear ceiling Operation: Manual Power Consumption: 550W (Max) USB Output: 5Vout-500mA Power Supply: 100V ~ 240V / 0.9A (Max) 50/60Hz Main Features: 800 lumens for clear and bright images. Maximum Resolution: 1080P for display size of 34 ~130inches within 1~3m. Dual-USB interface, support USB keyboard, mouse, etc. With remote controller, convenient for you to use. Applications: Home theater, Business conference, Entertainment, School training and so on.