An effective alarm system is a key component in any home security set up, as it deters unauthorised intrusion into a residential or commercial area and is a proven method in crime prevention.

The wireless home security systems of 20 years ago were notoriously unreliable. They produced so many false alarms that many ...

In this step-by-step tutorial, you'll learn how to make a very loud, simple, and powerful alarm using everyday materials. Perfect for enhancing security at home, this video guides you through the ...