Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering Long Range 12-24V Retroreflective Photoeye Sensor Photocell Switch for Industry Door, Infrared Photoelectric Switch 12-240V Reflective Photoelectric Sensor for Rolling Shutter Door, Best Selling 10m Opposite-Beam Photoelectric Sensor for Deck Parking Lot and so on.