♦Easy to install.♦Automatic, convenient, safe and practical.♦It has the function of power and detection indication.♦The motion sensor can identify day and night automatically.♦It has wide detection range made up of up and down, left and right service field.♦This product is a new type of energy-saving lighting switch,it adopts high sensitivity detector, integrate circuit and SMT.♦It utilizes human motion infrared rays as control signal sources,when one enters the detection field, it will start the controlled load at once.