... 5ms6.5ms4msLamp life time50000Hr50000Hr50000Hr50000Hr50000HrSpeaker10W*210W*210W*210W*2 10W*2 Power consumption194W330W370W370W380WInfrared touch screenResolution4096 x 4096Interface ... computer was built-in,stable performance,maintain with low cost.2. Can be used when the power connection ... ,Hotel,Restaurant,Travel angency,Drug store ect.2. Financial organization:Bank,Securities,Bonds,Insurance company ...