Microwave Sensor, Infrared Sensor, Photocell manufacturer / supplier in China, offering YS022 High-Performance Infrared Motion Sensor for Swing Door Safety, YS105 Adjustable Angle Microwave Sensor - 10° to 60° Near/Far Detection, Ys104-H High-Accuracy Long-Distance Microwave Sensor for Outdoor Surveillance and Alarm Systems and so on.