Sabre White Plastic Window Alarm

This Window Glass Alarm with 115 dB sounds when glass is tampered with or broken to help deter intruders, audible up to 300 feet (90 m) away. Red warning sign alerts potential intruder that the window or door is secured - high/low sensitivity setting helps prevent false triggering on windy day. Superior to other home security products, this premium white alarm looks great inside your home. No wiring needed (requires 2xCR2032 batteries, included). Provides battery status update with low battery test button.