The CSC803 combines fingerprint, card, and password authentication for secure access control. It features an exclusive power-saving mode with an inductive fingerprint collector and adjustable backlight settings. Built-in card module supports multiple authentications, while WIEGAN signal output ensures seamless integration with standard controllers. Additional features include direct control for electric locks, door switches, and magnetic detection, along with a robust alarm system for tampering, forced entry, and fire emergencies.