Nedis Doorstep Window Alarm, Ultra Thin, Glass Break Detector With Integrated Door Window, Alarm On Off Switch, Adjustable Sensitivity, Battery Powered, 85db

ULTRA THIN GLASS BREAK DETECTOR - Integrates a window and door alarm that activates if glass breaks or the door/window is opened, enhancing security without bulky equipment ADJUSTABLE SWITCHES FOR CONTROL - Side switches allow you to easily switch the alarm on or off and fine-tune detection sensitivity to suit your environment IDEAL FOR VULNERABLE ENTRY POINTS - Its slim profile makes it perfect for mounting discreetly on windows or doors without affecting aesthetics TOOL-FREE INSTALLATION - Magnetic sensors and double-sided tape (included) enable quick mounting on glass and frames without the need for tools LONG-LASTING BATTERY POWER - Powered by 2 x CR2032 batteries included with an average life of one year, plus a battery test button to monitor power status