SN-PR46A IP65 Ceiling Surface Mounted For Passage Corridor PIR Motion SensorThis sensor is designed especially for passages. The detection range is such it works the best to detect movement and operate the equipment best in the passages. SN PR46A is a PIR motion sensor, a new energy saving switch. It adopts three good sensitivity detectors in an integrated circuit. This sensor gathers automatism, convenience, safety, energy saving, and practical functions. It utilizes the infrared energy from the human body as a control