Function: The alarm monitors the status of doors and Windows through sensors, and once the doors and Windows are illegally opened or damaged, the sensor will immediately trigger the alarm. Easy installation: Electronic alarms can be easily installed on doors and Windows by attaching, screwing or magnetic adsorption. Use case: Suitable for home, hotel, shop, office or other commercial space security protection. Note: Choose the alarm that suits your needs, and regularly check the battery and sensor functions of the alarm to ensure that it is working properly. Date First Available November 11, 2024