Support full range of card readers. ZK KR-Series readers are stylish and waterproof. C3 supports any Wiegand-output reader, including HID Prox, iClass, and XceedID Multi-Technology

Save cost. C3 controller firmware can be upgraded without any advanced tools. New features can extend and expand the value of your investment

Access additional control and interface. After programming, auxiliary relays can function as lights, alarms, and intrusion detection panels. Extra locking devices or gate controllers can be accessed

Anti-Passback, First-Card Opening, Multi-Card Opening, Duress Password Entry, and Auxilary Input/ Output Linkages are built into controller firmware