The Defender Ultra Slim Vibration Alarm is an impressive intruder alarm that will activate when a forced entry occurs.
A slim, modern shock sensor alarm designed for windows and doors.
The Defender Window Vibration Alarm is accompanied by an adhesive pad for easy installation, which doubles as a warning sticker, for an additional visual deterrent.
A sensitive shock/motion sensor ensures the powerful 130dB siren is triggered if a potential intruder attempts to hit or smash the window.