... screen Dual channel, stereo surround power amplifier, touch KTV monitor touch screenSurface acoustic wave touch screen, infrared touch screenMonitor17",19 ... °C ~ 50°Humidity:40% ~ 80%Network InterfaceSupply RJ11,RJ45,GPRS etc Network InterfaceDimensions17" 420mm×470mm×1200mmOptional functionsHost, swiping card slots ... scanning, keypad, micro-printer, fingerprint roll machine touch KTV monitor....