Window Alarm System 4-Pack – Ultra-Loud 120dB Alarms with Advanced Vibration Sensors – Window Security Alarms for Glass Break Detection – Features Low Battery LED Indicator

Specialized Window Alarm System: This window alarm is specifically designed to offer security to glass windows in your home, garage, office, RV, or dormitory, including both sliding and traditional windows.
Advanced Glass Vibration Sensor: The product comes with a built-in vibration sensor and provides high/low sensitivity settings, reducing the chances of false alarms.
Powerful 120 dB Alarm: Upon detecting vibration, the window security alarms emit a loud 120 decibel alarm that lasts for 60 seconds.
Visible Warning Sign: The glass door alarm includes a red LED light that flashes every 4 seconds, serving as a potent deterrent to potential intruders. Additional warning stickers enhance the preventative aspect of the security system.
Low Battery Indicator: The red LED light also serves as a low battery indicator. When the battery runs low, it will flash rapidly, signaling that a battery replacement is needed.
Powered by AAA Batteries: This window security sensor requires two AAA batteries (not included). Its wireless, easy-to-install design allows for a peel-and-stick application on any window or glass.