Brightness: 4000 Lumens ( Peak Value Scope: 3500 - 5000 Lumens).Resolution: 1280x720 Pixels Physical Resolution. Support max. 1920x1080 Full. 3D Function: Support Red-Blue 3D.Contast ratio: 2000:1.Dispaly technology: 4.0" Liquid Crystal Display.LED Lifetime: 50,000 hoursThrow Ratio: 1.4:1Keystone Correction: Vertical: +/-15°Projection Screen Size (inch): 36-176inchsBest Projection Screen Size (inch): 40-85 inchsProjection Distance (m): 1.2 ~ 3.8 meterProjector Size(mm): 250x171x79Projection Distance: ?1-4mInterfaceBasic VersionInput: USB*2/HDMI/AV/VGAOutput: 3.5 mm EarphoneSync Screen VersionInput: USB*2/HDMI/AV/VGAOutput: 3.5 mm EarphoneMini-PC Version(S6P Basic Version+H96 PRO H3)Input: USB*2/HDMI/AV/VGAOutput: 3.5 mm EarphoneH96 PRO H3CPU: Amlogic S905X Quad-core 64-bit: 2GB DDR3ROM: EMMC Flash 16GB : 2.4G/5G Other HardwareSpeakers: 4Ω,5W x1(SRS Sound Technology)Input voltage: 100-240V 50/60HzWeight: 1.28kgUSB Multimedia FormatMovie Format :MPG,AV,TS,MOV,MKV,DAT,MP4,VOB /1080P.Audio Format :MP3,WMA,AAC,M4a(aac), AC3 (Only Mini-PC Version).Picture Format: JPG,JPEG,BMP,GIF,PNG,GIF formats picture