Function and characteristics: 1.Intelligent induction: when people enter the product range of detection radar detectors work lights when people leave the detection range the lamp extinguished automatically and can automatically identify day and night 2. Intelligent delay switch is detected in the human body after each event will automatically be extended for 30 sec. and with the last human activities in time for the deadline; 3. Photosensitive control: according to light intensity outside to control switch is working to achieve energy-saving effect