Function: Ultra-slim round design for various Door/Windows, especially for sliding Door/windows. When illegal persons invade and make the doors or windows vibrate, it will start alarming and warns hosts and threaten the intruders away, you can hear from 50 meters away, it could effectively help protect your property safety.
The alarm will sound when the door/window is opened or touched
Door and window alarm vibration sensor, 100dB loud Alarm sound, can be heard up to 50meters away.NO FALSE ALARMS
Protect any window. Simply peel and stick the device to any window. The ultra thin design of this alarm makes it perfect for use with sliding windows. (Includes warning sticker which firmly keeps your alarm in place, will not go off in rain, wind, etc.)
Package:5 x Door and window alarms with built-in LR44 Batteries. Perfect for any window (including sliding windows) in your home, office, garage, dorm room, or even RV