Memory 1G RAM+ 8G ROM OS Android 4.4 Brightness ANSI 300 lumens (equal to 3000 ISO lumens) Standard resolution WXGA (1280*720HD) Compatible Resolution 1080P/AV/VGA Contrast Radio 6000: 1 Display Technology DLP Projection Lens LED Illumination uniformity 98% Projection Screen Size 20-300inch Projection Distance 0.5-7m Show More