... liveMore than 20,000 hoursResolution VGA 800*600 pixelContrast Ratio200:1(ratio)image size(diagonal)7"-100"OperationTouch pad; Remote control ... ; Wireless mouse and keyboardInterfaceUSB2.0 input,VGA Port, DC port, Micro TF slot ,earphone ... talk ,yahoo ,QQ, SKYPE, Fetion.Internet Explorer Google ;flash player5.0(FLV)&JAVA HD multimedia LED digital projector