PC material, tempered glass panel and IP66, suitable for indoor and outdoor use. Support contacless recognition of IC card (Mifare card). Support card unlock. Support communication through RS-485 and Wiegand 34 (Wiegand 26 can be configured). 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.