Microwave Sensor, Infrared Sensor, Photocell manufacturer / supplier in China, offering Yoursensor Ys119 Automatic Gate Opener Active Photocell DC12-24V Anti-Interference Beam Sensor, Yoursensor Ys119 Active Infrared Photocell Max 15m Working Distance for Gate, Yoursensor High Quality Automatic Heavy Duty Gate Opener with Factory Direct Price and so on.