| Technical Details | |
| Wireless Technology | ZigBee |
| Transmission Frequency | 2.4 GHz |
| Working Voltage | DC 3V (CR2032 battery) |
| Working Temperature | -10℃ to +55℃ |
| Undervoltage Alarm | Supported |
| Battery Life | More than one year (20 times per day) |
| Dimensions | Φ 50 x 16 mm |
