> PC material, acrylic panel and IP66, suitable for indoor and outdoor use > Support contactless recognition of IC card (Mifare card) and 125KHz (EM-ID) card in two frequencies > Support card unlock > Support RS485 and Wiegand communication > Support buzzer and indicator prompt > Support anti-tampering alarm · > The built-in watchdog program can detect and control 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