| Size: 135L*78W*24H mm |
| Card reader: ID card 125Khz |
| 13.56MHz is optional |
| Voltage: DC12V-24V |
| Current: 60mA |
| User capacity: 2000users |
| Read Card distance: ≤10cm |
| Material: Zinc Alloy |
| Weigan 26 input and output |
| Waterproof Degree: IP68 Metal structure design, anti-vandal Digital backlit keyboard The doorbell button and interface: buttons and isolation circuit,connect to any external bell |