PC material, acrylic panel and IP65, suitable for indoor and outdoor use Support contactless recognition of IC card (Mifare card) Support card/fingerprint unlock Support RS-485 communication protocol Support buzzer and indicator prompt Support anti-tampering alarm The built-in watchdog can detect and control the abnormal operation status of the equipment and perform recovery processing to ensure the long-term operation of the equipment All connection ports have overcurrent and overvoltage protection