1. Power supply: 3V battery, with service life of 3 years (can be used for 10 years)
2. Size: 60 * 60 * 49.2mm
3. Standard Zigbee protocol
4. The battery life is up to 36 months
5. Support the remote mute function of graffiti APP mobile phone
6. Low-power alarm and report function
7. Easy to remove and replace the battery
8. Free installation, pasting and movement of tools
9. Design patent
10. The appearance won the red dot award
11. Support OEM and packaging