ZKT-US-C3-400-PRO

4-door 1-way Controller Stores 30,000 cards and 100,000 events Reader Ports: 4 (26-66 bits Wiegand) Communication: TCP/IP, RS485 Input Ports: 12 (4-exit buttons, 4-door sensors,4-Aux Inputs) Output Ports: 8 (4 FORM-C Relay Output for lock 4 Aux FORM-C Relay Output) Gross Weight: 3 lbs. Package Size: 10? x 6? x 4?