Feature: 1. CORROSION RESISTANT MATERIAL: The proximity switch has a copper alloy threaded housing that is corrosion resistant and 1.4meter long, easy to use 2. FAST AND ACCURATE: The inductive proximity sensor switch has a built in intelligent induction chip, which is interference resistant and generates induction when it is close to metal objects for accurate detection 3. LED WORKING INDICATOR: Proximity switch has an action indicator. When sensing a metal object, light on is normally open, light off is normally closed, which makes the operation easier and clearer 4. HIGH EFFICIENCY: Inductive proximity switch detector is waterproof and oil proof, with IP67 protection grade, bring fast response frequency and high efficiency 5. APPLICABLE SCENARIO: Inductive proximity switch can be used for automatic production line, mechanical equipment, security equipment, textile equipment, CNC machine tools, monitoring equipment Specification: Item Type: Inductive Proximity Switch Voltage: 6-36VDC Output Form: NPN Contact Type: NO and NC Current: 200mA Detection Distance: Approx. 2mm / 0.08in Probe Size: Diameter: Approx. 12mm / 0.47in, Length: Approx. 45mm / 1.77in Line Length: Approx. 1.4meter / 4.6ft. Package List: 4 x Proximity Switch8 x Gasket Fixing Accessories8 x Hex Thread Fixing Accessories Note: Do not stay in liquid environment for a long time.