The Defender Window Alert Alarm is an impressive intruder alarm that will activate when a forced entry occurs.

A sensitive shock/motion sensor ensures that the powerful 110dB siren is triggered if a potential intruder attempts to hit or smash the window.

This device features a simple sensitivity adjustment switch (High, Low or Off).

Once activated, the alarm will emit a 45-second siren before resetting itself within 3-5 seconds.

The Defender Window Alert Alarm is accompanied by an adhesive pad for easy installation, which doubles as a bright red warning sticker, for an additional visual deterrent.

Ideal burglar deterrent for homes, businesses, caravans, sheds and many more. Suitable for all types of glass windows or door panels.

The Defender Window Alert Alarm is the first of its type to achieve the Sold Secure Gold standard.

Also achieving the coveted title of Police Accredited via the Secured by Design initiative.

  • • Internal burglar alarm
  • • Shock sense technology
    • 110dB siren
    • Quick and easy installation
    • Sensitivity adjustment
    • Self-adhesive warning sticker included
    • Dimensions: 7.1 x 5.2 x 2cm
    • Batteries: 4 x AAA included
    • 12-month guarantee
    • Sold Secure Gold & Police Recognised Standard

Take a look at our Alarm category to view our range of intruder alarms.

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Defender Window Alert Alarm – 2 Pack


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