Display Type: LCD.Native Resolution: 1280x720.Support Resolution: 1920x1080.Brightness: 1800 Lumens.Contrast Ratio: 1000: 1.Projection distance: 1.5-5 mImage Size: 50-170 inchScreen Scale: 4:3 / 16:9Interface: VGA, USB*2, 3.5mm Audio, SD Card SlotCertificate: CE, ROHS, FCCBulb: LED light: UnsupportImage formats: Bmp, png, jpegVideo formats: Mp4, rmvb, avi, rm, mkv, etc.Audio Formats: Mp3, wma, ogg, aac, flac, ape, wavVoltage: 100-240 v 50/60 hz Built in Speaker: YesCompatible with: Lamp Life: 30000 hoursDVB-T Supported: NoExternal Caption Supported: No3D: NoTripod Height: Not IncludedProduct weight: 0.9 kgPackage Weight: 1.25 kg Size (W x H x H): 18.40x14.40x7.80 cm Package Size (W x H x H): 27.5*19*11.5 cmPackage Contains: YG450 projector + power cord + remote control + three in AV cable + English manual