... Input, 9 Digit User ID.2 user-defined function keys, the left one is for door belling, the right ... ACommunicationTCP/IP, RS232/485, USB HostAccess ControlInterfaces for3rd party electric lock, door sensor, alarm, wired bell and exit button ... time in 0~10SAuto protective functionDimension:215X 170 X75 MM Electric Lock:Product DescriptionElectric LockSecurity Type: power off automatically unlockMaterial ...