| Dimensions | 79.8X59.8X55.6mm |
| Material | ABS |
| Input Voltage | DC4.5V |
| Battery | 3 X AAA alkaline batteries |
| Service life 10,000 locking cycles | |
| Static Power | ≤100uA |
| Dynamic Power | ≤170mA |
| Max Reading Range | 7±2mm |
| Undervoltage alarm | 3.5V |
| Use condition | Temperature: -15℃~65℃ |
| Humidity: 5%~95% |
Source: https://www.makelocks.com/digital-lock-mk725-3-x-aaa-alkaline-batteries.html