Projector System TypeMobile ProjectorProcessorTeleshops TCC7901 498MHZ*2 Dual CPUMemory Storage2GB(1-8GB Optional)SDRAM512MBOperating systemWindows CE 5.0Engine SpecificationPanel TypeLCOSResolution640*480;800*600Contrast Ratio(ANSI)97:1(ratio)Aspect Ratio4:3Throw Ratio0.84(ratio)Minimum Projection Distance17.8cmMaximum Projection Distance200cmMinimum Image Diagonal7 inchMaximum Image Diagonal80 inchTo Restart time≤20SLamp houseRGB three-color LEDLED lamp liveMore than 20,000 hoursLuminous FluxContrast Ratio200:1(ratio)FunctionWIFIsupport 802.11a/b/g(Optional)USB typeDEVICE USB2.0, HOST USB1.1Wireless mouse and keyboardSupportAV(CVBS+L/R) inputsupportSpeakerBuilt-in 1.5WHeadphones32mW+32mW, 3.5mm headset jackFile viewWORD,EXCEL,PPT,PDFMultimedia PlayerVideo Format: RM/RMVB,MPG,WMV,AVI,MP4,VOB,Maximum resolution up to:640*480 Music Format: MP3,WMA,OGG,APE,FLACLyrics Format: LRC MP3 bit stream :32Kbps–320Kbps WMA bit stream:48Kbps–320KbpsE-book: TXTImage Type: GIF,BMP,JPG,PNGExternal StorageT-FLASH card support maximum :8GBHost USB support for USB storage devices, including the U disk, mobile hard disk, etc.Power SpecificationsBattery1800mAh Polymer lithium battery Charging Mode: DC interfacePower AdapterINPUT:AC 200-240V,OUTPUT:DC 5V /2ASustainable Time1 hour