| Working voltage | DC6.0V,4 4.5V AA alkaline dry batteries |
| Working current | Dynamic current ≤350ma, static current ≤60ua |
| Connection method | Bluetooth 4.3ble or later |
| Supported system versions | Android 4.3 / IOS 7.0 and later |
| Applicable door thickness | 38-48mm |
| Emergency interface | Micro USB5.0V |
| Main material | zinc alloy |
| Working environment | -25℃- + 45℃, 25-95RH%(no condensation) |










