Glass Break Sensor, 125DB Loud Window Vibration Alarm for Home Security, Easy to Install Burglar Alarm for Indoor Home, Office, Store, RV, 10 Pack

[Extra loud volume alarm]When a thief breaks a window, the vibration sensor can immediately detect the vibration frequency of the window and immediately emit a 125 dB ultra-high volume to deter the thief.
[Easy installation]When you need to use it, just tear off the installation sticker on the back of the alarm, stick it where you need to deploy the alarm, and finally turn the switch to the "on" position to protect the safety of your property.
[Long battery life]The lightweight design and the 3 LR44 button batteries allow the alarm to sound for up to 90 minutes, reducing the need to replace batteries. When the battery is running low, the red light will flash in advance to remind you to replace the battery.
[Wide application scenarios]Whether it is at home, in the office, in a shopping mall, in a dormitory or in a caravan, installing a vibration alarm can make you worry less and feel safer.
[Small and portable]Ultra-thin thickness and ultra-small body, size: 2.9" x 2.9" x 0.4"no burden to carry with you, escorting your travel.