A ceiling mount motion sensor is a type of electronic device designed to detect movement or motion within its range of coverage. It is typically installed on the ceiling and is commonly used in lighting systems for energy-efficient control. The sensor uses various technologies such as passive infrared (PIR), microwave, or a combination of both to detect changes in infrared radiation or sound waves caused by moving objects, including humans, animals, or vehicles.
When a person or object enters the sensor's field of view, it sends a signal to the connected lighting system, triggering the lights to turn on or off automatically. Ceiling mount motion sensors are often used in indoor spaces like offices, hallways, conference rooms, bathrooms, and warehouses to provide hands-free lighting control and optimize energy consumption.