The Product Adopts Microwave Sensor Mould With High-Frequency Electro-Magnetic Wave (5.8GHz) And Integrated Circuit, SMD LED. It Gathers Automatism, Convenience, Safety, Saving-Energy And Practical Functions. The Wide Detection Field Is Consisting Of Detectors. It Works By Receiving Human Motion. When One Enters The Detection Field, It Can Start The Load At Once And Identify Automatically Day And Night. Its Installation Is Very Convenient And Its Application Is Very Wide. Detection Is Possible To Go Through Doors, Panes Of Glass Or Thin Walls.