1、Comes with double probe design. The sensing angle is more than 180 degrees in the left and right direction, with the sensing distance of more than 12m/39.4ft. 2、Especially suitable for places that automatically switch light, such as corridors, warehouses and corridors. 3、Automatically activates when the pedestrian enters the sensing range (turns on the light), and automatically delays when leaving. 4、Features with low static power consumption, strong anti-interference ability, which is energy saving, environmental protective, safer, and more reliable. 5、This product adopts light-sensitive control with automatic metering function. It works only when the light is dark, and also work during the daytime when adjustable.