Quick sense(QS-10): Pir Motion Sensor with Light Sensor, Energy Saving Detector Switch (Fall/Recessed Ceiling Mounted) (Set of 1)

The product adopts good sensitivity detector, integrated circuit. It gathers automatism, convenient safe, saving-energy and practical functions. It utilizes the infrared energy from human as control-signal source, it can start the load at once when one enters detection field. It can identify day and night automatically. It is easy to install and used widely.