Window Alarm 4 Packs - Loud 120dB Alarm and Vibration Sensors Compatible with Virtually Any Window - Glass Break Security Alarm Sensor- Low Battery LED Indicator - Product Features
- 4 Packs Ultra-thin Window Security Alarm, built-in sensor detects vibration and emits a 120 dB alarm to alert you of a potential break-in and scare away burglars.
- Unique high/low sensor sensitivity setting, to helps prevent false alarms.
- Red warning LED light blinks every 4 seconds, to caution would-be intruder of the window?s protection. Comes with warning sticker, stick on windows to scare away burglars.
- Low battery warning, remind that you need to replace the battery, will not miss the safety protection at home. Requires AAA*2pcs batteries (not included), AAA batteries give these alarms great battery
- No wiring needed, simply peel and stick the alarm on any window or glass. Perfect for any window (including sliding windows) in your home, garage, office, RV, dorm room.