... button Sound systemAmplifier ;two stereo loudspeaker,magnetic-proof,net card,sound card,integrated display cardWorking environmentTemp:0~45degree.relative humidity:30%~95 ... .Control System(cpu / memory / hard disk) 6.Card Reader: RFID card reader, Non touch card reader, IC card reader, Magnitci card swipe7. Coin adapter, bill dispenser, coin dispenser, ect ...