... poorly lit environments..Wiegand input for working with wiegand reader, wiegand output for connecting to access control panel..Optional with ID ... module (available when using ZKFinger9.0 algorithm)..Professional access control compatible with the 3rd party door sensor, alarm, ... : N/ACommunication: TCP/IP, RS232/485, USB HostAccess Control :Interfaces for3rd party electric lock, door sensor, alarm, ...