Collection: PIR Motion Sensors

A PIR sensor detects changes in infrared (heat) as a warm body moves across its field of view, then triggers a light, alarm or other device. It is passive, meaning it does not emit anything, which keeps power use low. Browse the wider Motion Sensors range.

Yes, a very common pairing. The sensor detects movement and switches the light on automatically, deterring intruders and lighting your path. Browse LED Floodlights, some of which include a built-in PIR sensor.

Match the range and angle to the area you want to cover. A wide angle suits a yard, while a narrower one focuses on a doorway. Mounting height and direction also affect coverage, so plan placement before fitting.

It can, but many sensors offer adjustable sensitivity or pet-immune settings to reduce false triggers. Mounting angle helps too. Check the product details, and aim the sensor away from areas your pets frequent.

Yes, as long as it is rated for outdoor use. Check the IP rating for rain and dust resistance, and avoid pointing it at heat sources or busy streets to limit false triggers. Find power and wiring in Power & Cables.

Some PIR sensors are wired into mains or a device, while others run on batteries for easy placement. Check the product details for power requirements and find supplies in Power & Cables.

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