These are one of the widely used sensors and can be found in many home security systems. Passive Infrared Detectors are looking the changes of infrared energy level that caused by movement of objects (human, pets… etc.). PIR Motion detector is very easy obstructed by the variability of heat sources and sunlight, so PIR Motion detector is more suitable for the indoor movement detection within the closed environment.

Garages, Warehouses, Offices, Houses, Loading areas, Gardens etc.