The product is a new saving-energy switch, it 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. SPECIFICATION: Power Source: 220 -240V/AC Detection Range: 180�° Power Frequency: 50Hz Working Temperature: -20~+40â?? Ambient Light: 3-2000LUX (adjustable) Working Humidity: