The video demonstrates how to wire up a Passive Infrared Sensor (PIR) using 4-core security cables. All Gallagher inputs are balanced 4-state inputs and must have two 4k7 resistors wired at the device ...

The evenings might be getting lighter but it's still a smart idea to have outdoor security lights outside your home. In particular, shoppers are praising the Derek PIR Sensor Glass Steel Outdoor Wall ...