ZKTeco 2-door 2-way Controller US-C3-200-PRO

2-Door Controller Stores 30,000 cards and 100,000 events Reader Ports: 4 (26-66 bit Wiegand Format Supported) Communication: TCP/IP, RS485 Input Ports: 6 (2 exit buttons, 2 door sensors, 2 Aux Inputs) Output Ports: 4 (2 FORM-C Relay Output for lock, 2 Aux FORM-C Relay Output) Weight: 3 lbs. Shipping Box Size: 9″ x 7″ x 3″