Proximity Sensor, Laser Sensor, Photoelectric Sensor manufacturer / supplier in China, offering M12 Laser Through Beam Sensor 50m Detection Red Light 660nm NPN PNP No Nc Cylindrical Photoelectric Switch Luoshida, Q17 DC 10-30V Inductive Proximity Sensor Square Type IP67 Waterproof 5mm 8mm Detection NPN PNP No Nc Luoshida, M30 Plastic Capacitive Proximity Sensor 10-40VDC Adjustable 30mm Detection NPN PNP No Nc IP67 and so on.