1、With multiple protection circuit such as power supply reverse connection protection circuit, surge protection circuit, overcurrent protection circuit. 2、Suitable for security equipment, textile equipment, CNC machine tools, security equipment, automated production lines, electronic machinery, etc. 3、IP67 protection grade, using fully enclosed ABS plastic shell and technical enclosure insulation waterproof, oil-proof, shock-resistant, high temperature. 4、Improved anti-interference ability from its self-developed special IC. 5、Adopts hall proximity switch with high accuracy. 1 x Proximity Switch2 x Nut2 x Gasket Brand:BERM®Item Type:Proximity SwitchModel:PR18-5DNOutput Mode:DC 3-Wire NO NPNWorking Voltage:DC10~30VOutput Current:200mAShape Diameter:18mm / 0.71inDetection Distance:5mmDetection Mode:Electro-Magnetic InductionWire Length: 1.8mType:Hall Proximity SwitchDetection Objects:Metal Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.