... Flow fans, no noise,Steel enclosure, Dualchannel,stereopoweramplifier,touch information kiosk touch screenSurface acoustic wave touch screen, infrared touch ... 0°C ~ 50°Humidity:40% ~ 80%Network InterfaceSupply RJ11,RJ45,GPRS etc Network InterfaceDimensions17"/19"/22" 740mm×400mm×1104mm32" 860mm× ... bar code scanning, keypad, micro-printer, fingerprint roll machinetouch information kiosk ......