Proximity Sensor, Laser Sensor, Photoelectric Sensor manufacturer / supplier in China, offering Luoshida M12 Laser Diffuse Sensor Visible Red Light 660nm DC10-30V NPN PNP No Nc 2-3mm, Ultra-Small Square Photoelectric Photo Laser Sensor Diffuse Reflection Proximity Switch, High Quality Through Beam Diffuse Photo Electric Ultra Thin Photoelectric Laser Sensor and so on.