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Defender Mini Door Chime & Alarm

(1 review)
4.40 (cm)
6.70 (cm)
2.20 (cm)

Product Details

The Defender Mini Window and Chime Alarm is popular and low cost home security device which uses magnetic field technology to identify when a door or window has been opened.

This alarm comes in two parts which are connected via a magnetic field, one part is attached to the frame and the other is attached to the window or door. Once the window or door opens, the magnetic field is broken and the 120dBs alarm or welcome chime will be activated.

Ideal for use on windows, doors, cupboards and sheds to help stop sneak in burglary, or to alert you to visitors. Comes with a built-in low battery indicator.


  • Simple and effective magnetic technology
  • 120dBs siren or welcome chime
  • Low battery indicator
  • Suitable for all types of door and window frames
  • Self adhesive warning sticker provides maximum visual deterrent
  • Quick and easy installation


Part Code EL00024
Brand Defender
Finish White
Fixing Adhesive Pad
Batteries 4 x LR44 (included)



12 months

1 Review Hide Reviews Show Reviews

  • 5
    Defender mini door alarm & chime

    Posted by David on 25th Feb 2020

    Great little product that's very loud!! Easy to fit & able to fit almost anywhere. A little extra security that gives you peace of mind!!