Proximity Sensor, Laser Sensor, Photoelectric Sensor manufacturer / supplier in China, offering Luoshida 10-30VDC Q31 Through-Beam Laser Sensor 30m Sensing Distance with 2m Cable, M3/M4/M5/M6 Laser Through-Beam Sensor Series 20m Range 0.5-1.0mm with 2m Cable, Diffuse Reflection Photoelectric Sensor Adjustable Detection Distance with 2m Cable and so on.