... Support optional components, such as barcode scanner, fingerprint reader, pin pad, contactless card etc. More security design technology appliances: tamper ... average current:1.5AConnectivity2 telephone port,1 RS232 /Pin pad port ,1 Ethernet port 1 USB HOST,1 USB DEVICE ... can be inputedLife cycle: 300,000 timesPin padsupport K3306 pin pad, supports alphanumeric input and display, 3DES, ANSIX9.9, ANS9 ...