Features:• RS-485 protocol• Default IC (Mifare) card• Water-proof design• Built-in 1 relay and can control door lock itself• Watch dog function ensure device free from halting• Beep and indicator• Surface mounted installationTechnical Specifications:System• Main Processor 8 BitOutput port• Output Relay x 1(Door lock)Read• Read Format 13.56MHz(Mifare)/125KHz(EM, Optional)• Read Range 6-8cm (max.)• Response time <0.1sFunction• Tamper Alarm Yes• Water-proof IP67Interface• To Controller RS485 WiegandGenreal• LCD Display Blue backlight• Beep Tone Buzzer• Ingress protection IP55• Power Supply 9-15VDC/100mA• Working Environment -30?-+60?• Working Humidity =95%• Dimension(W× D× H) 72mm*102mm*18mm• Weight 0.2Kg