PC material, tempered glass panel and IP66, suitable for indoor and outdoor use. Contactless card reading for IC cards (Mifare cards). Unlock through card swiping and Bluetooth. Communicates through the RS-485 port, Wiegand port, and Bluetooth. Prompts using the buzzer and indicator light. Supports the anti-tampering alarm. The built-in watchdog program 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 the connection ports have overcurrent and overvoltage protection. Works with the DMSS mobile client and ASC3202B.