This ZKTeco C3-200 access control panel has 2-number doors controlled, 4-number of readers supported, 2 exit devices, 2 door status, 2 AUX number of input. It has TCP/IP, RS-485, and WiFi optional communication, 30000 card holders capacity, 100000 log events capacity. The ZKTeco KR-series readers are fashionable and waterproof. Any Wiegand-output reader, such as HID Prox, iClass, and XceedID multi-technology is supported.