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A PIR sensor detects movement by measuring changes in infrared (IR) energy — essentially body heat — in its field of view. Humans and animals emit infrared radiation. When a warm body moves across the sensor’s coverage area, the sensor picks up a sudden change in IR levels, triggering: An alarm A camera recording A notification A light activation.

25 practical tips to help you secure your home and deter thieves.

We’ll go through some of the often-asked questions when researching whether CCTV is the right option for your home security and the most...

When your Bright Young Things wave you goodbye on their way to Uni, and the next stage on their own life journey, it's hard not to wonder...

When a burglar comes calling, your Yale alarm is quite possibly the only thing standing between you and a real-life horror story; a...

The most common objection to acquiring a burglar alarm is that, faced with a wailing siren from an absent neighbour, most of us will just...