This product ia a new type of energy-saving lighting switch, it adopts high sensitivity detector, integrate circuit and SMT, gathering automatic, convenient, safe, energy-saving, practical functions. It has wide detection range made up of up and down, left and right service field, widely used in staircases, corridors, corridors and public toilet of various buildings. Compact, light and easy to carry and install. 180 degree induction angle.The wide detection range is made up of up and down, left and right service field, could be adjusted according your desire. Safe and convenient. Human motion IR rays as control signal sources are used as control source to automatically control the lighting and extinguishing of lamps and lanterns so as to avoid tedious manual switching lights. More energy saving and humanized, and has the function of adjustable automatic time-delay quenching. Identifying day and nightautomatically, manually adjusting the knob to choose day and night work, stable product performance. IP44 protection grade, super long induction distance 15 meters and super large induction range 180 degrees, strong induction ability, stable performance.