180° sensor switch utilizes human motion rays as control sources, when enters the detection field, will start the controlled load at once Energy-saving and low heat and low power consumption motion sensor turns lights on automatically when motion detected and off after a pre-selected time delay ( 5 seccond to 8minutes optional People can enter the sensing range and can be automatically turned on, When people leave, they can automatically delay the shutdown, so as to the conventional lamps from being opened Occassion, suitable for home,, school ect The light will be activated ON / OFF by auto PIR motion detection motion sensor switch outdoor sensing distance / light intensity / power-on time adjustable.A.When adjusted to the sun-position, the sensor works all day; BWhen it transferred to the position, the sensor will work when not enough light and automatically enters the working at night, Manufacturer: sodeber