Alarm mobile when someone opens or closes the door / window / safe / locker. Know the open /close status of the door in the APP.
Marrath smart Wi-Fi door / window / safe / locker sensor
![](https://www.marrath.com/wp-content/uploads/2023/03/9-12.jpg)
Alarm mobile when someone opens or closes the door / window / safe / locker. Know the open /close status of the door in the APP.