1. PC material, acrylic panel and IP65, suitable for indoor and outdoor use. 2. Support ID card recognition in a non-contact way. 3. Support card/fingerprint unlocking. 4. Support RS-485 communication protocol. 5. Support buzzer and indicator prompt. 6. Support anti-tampering alarm. 7. 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. 8. All connection ports have overcurrent and overvoltage protection. 9. Applicable to parks, high-end office buildings, financial buildings, insurance buildings, schools, factories, venues, CBD business centers, high-end residential areas, high-level government departments, maritime safety bureaus, etc.