Microwave Sensor, Infrared Sensor, Photocell manufacturer / supplier in China, offering Wired Infrared Touchless Hand Sensor Switch for Automatic Door Activation System, Ys407s-Bm/Wm Wireless Mirror-Type Push Button with Rolling Code Technology for Automatic Door, Ys407-Bm/Wm Mirror-Surface Wireless Push Button for Automatic Door Activation and so on.