Using electromagnetic induction technology, easy to install, emits a 105db alarm when the window or door is opened more than 1CM. Portable and can be used anywhere including windows/doors, vans and storage boxes.
How to use:
Using the self-adhesive on the back of both the alarm and sensor unit (included) set around 5mm apart from one another, one piece on the window frame which opens and the other piece on the static frame. When set to the ON position, when the window is opened more than 10MM a 105DB sound is emitted until home owner switches to the OFF position. Immediately attracts attention.