Features 1、Copper Alloy Threaded Housing: This proximity switch adopts excellent copper alloy to make its housing, which is sturdy and wear resistant, not easy to be eroded, and has a long service life. 2、Built In Intelligent Sensor Chip: This proximity switch has a built in intelligent sensor chip, with fast anti interference response frequency, which generates sensing near metal objects and is accurate in detection. 3、LED Working Indicator: This proximity switch is equipped with an action indicator, when it senses a metal object, the light will be on for normally open, and the light will be off for normally closed, which makes the operation more convenient and clear. 4、IP67 Protection Grade: This proximity switch with IP67 protection grade can be effectively waterproof and oilproof, very durable. 5、Wide Application: This proximity switch has a wide range of applications and can be used for automatic production line, mechanical equipment, security inspection equipment, textile equipment, numerical control machine. Specification Item Type: Proximity Switch Material: Copper Alloy Output Form: NPN Contact Type: NC Current: 100mA Detection Distance: Approx. 1mm/0.04in Probe Size: Approx. 8mm/0.31in Package List 4 x Proximity Switch 8 x Washer Fixing Fitting 8 x Hex Thread Fixing Kit