1、EASY TO USE: Copper alloy threaded shell, strong corrosion resistance, 1.4m wire length, easy to use. 2、ANTI INTERFERENCE: Equipped with an intelligent sensing chip, the switch has a fast anti interference response frequency and generates sensing when approaching metal objects, ensuring accurate detection. 3、LED WORK INDICATOR: With an action indicator light, when sensing a metal object, the light on is normally open, and the light off is normally closed, making operation more convenient and clear. 4、WATERPROOF AND OIL PROOF: IP67 protection level, quick response frequency, high work efficiency (not suitable for long term exposure to liquid environments) 5、EASY TO INSTALL: Fine workmanship ensures standard interface, ensure tight and stable connection with your equipment, choose and use with confidence! Item Type: Proximity Sensor Switch Material: Copper Alloy Voltage: 6-36VDC Output Format: NPN Contact Type: NC Current: 200mA Detection Distance: Approx. 2mm / 0.08in Probe Size: Approx. 12mm / 0.47in 4 x Proximity Switch 8 x Washer Fixing Accessories 8 x Hex Threaded Fixing Accessories 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.