Simple visible deterrent and easy to fit for both windows and doors.
Supplied with two self cutting / tapping screws, meaning no drilling required and can be fitted in minutes.
Simply find the best position for the jammer, put in the screws applying some initial pressure until they start to cut into the plastic, they will then self tap.
Cover the screws using the covers supplied
Ensure a snug fit by selecting one of the three inserts supplied.