proximity sensor 1.small volume 2.wide voltage range 3.strong anti-interference 4.long products life and high quality Proximity sensorFeature1. small volume.2. high switch frequency.3. high redundant localization accuracy.4. voltage range wide.5. various contour structure.6. dustproof, quakeproof, waterproof, oil against.7. strong anti-interference.8. short-circuit, various counter-connection ...