OCT-ORO Microwave Movement Detect Sensor features 360° detection angle and up to 8 metre radius detection range. Has An in-built on-time timer and, daylight level controls prevent daytime operation, while a manual override facility ensures proper operation at all times of the day or night.High energy saving properties. It adopts microwave sensor mould with high frequency electro magnetic waves (5.8GHz) and integrated circuit. It works by receiving motion when one enters the detection field it can distinguish between day and night and operate accordingly.Sensibility and time delay adjustable.