Magnetic Wireless Door and Window Sensor Alarm Remote Controls Home Security System Child Security Anti-Theft Burglary Detectors Siren Batteries

Ensure the safety of people and property: the volume of door and window alarms reaches 130 dB, which sounds when the door is opened, which can not only cause a huge shock to thieves, but also allows you to wake up during your sleep to prevent a terrible accident. A door and window alarm with wide applications, ideal for home, office, hotel, apartments, garages, dorm room, or even RV. Use the remote control to control four functions: door and window alarms are powerful. You can use the remote control to arm, disarm, change ringtones and emergency functions. It is very convenient. You can adjust according to different scenarios, and even press the emergency function The alarm sounds directly and can be used when you call for help in an emergency. Long-lasting standby time: the anti-theft alarm can be used for one year without changing the battery frequently. When the battery voltage is less than 2.1V, a beep will sound. Don't worry about not working. This battery is easy to buy and replace. Working principle: When the closing distance between the host and the magnetic strip is less than 1cm, no alarm sound will be emitted; when the separation distance between the host and the magnetic strip is more than 1cm, an alarm sound will be emitted. Therefore, when someone opens the door or window illegally, the alarm immediately emits a high-pitched sound. Easy to install with double-sided adhesive tape - Comes with double-sided adhesive tape. Easily mounted on window or door with adhesive tape. No wiring required! No screws needed! You can install this alarm on all windows and doors, drawers, gates and other panels.