Proximity Sensor, Photoelectric Sensor, Vehicle Loop Detector manufacturer / supplier in China, offering Mini-Type LED Light Switch Sensors for Swing Barrier Gate Turnstile, IP67 PNP PNP Durable Opposed Photo Sensor Optical Sensor for Turnstiles and Access Control, IP67 NPN PNP Metal Inductive Proximity Switch for Flap Barrier Turnstile Gates and Turnstiles and so on.