Features:
1. Real-time perception of the switch status of doors and windows
2. Through the APP, you can set reminders of unclosed doors and windows over time, and you can also query the opening and closing records
3. Someone breaks in abnormally, automatically capture
4. Intelligent linkage with gateway (need to be purchased separately)
5. Bluetooth 5.0, low power consumption, battery life up to 8 months (the actual battery life is related to the frequency of use)
6. It can be used in many places such as doors and windows, drawers, cabinet doors, etc.

Product specifications:
1. Main body weight: 6g (not including battery)
2. Magnet weight: 7g
3. Body size: 44x21.5x13mm
4. Magnet size: 29x14x7mm
5. Battery type: CR1632 button battery

Packing list:
Door and window opening and closing sensor x 1
Magnet x 1
Manual x 1