Specifications
Technical specification
- External power supply: DC5V/1A (output current ≥500mA)
- Internal power supply: 3.7V / 2000mA rechargeable lithium battery
- Standby current: ≤35mA (without connect the backup battery)
- Alarm current: ≤350mA (without connect the backup battery)
- Frequency: 433MHz/868MHz (optional)
- Receiving distance: ≥60m
- Volume: 110db@1m
