1、SIMPLE TO USE: Strong corrosion resistance, 1.4m wire length, and user friendly copper alloy threaded shell, the proximity switch is easy to use and install. 2、ACCURATE DETECTION: 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 INDICATOR: With an action indication light, operation is easier and clearer because the light on is typically open when it detects a metal object. 4、WATERPROOF AND OIL PROOF: IP67 protection level, quick response times, and high productivity (cannot be submerged in liquid for an extended period of time). 5、4 SET: There are 4 set proximity switches in the package that can be used for different appliances, for better work performance! Item Type: Proximity Sensor Switch Material: Copper Alloy Voltage: 6-36VDC Output Format: PNP Contact Type: NC Current: 100mA Detection Distance: Approx. 1mm / 0.04in Probe Size: Approx. 8mm / 0.31in 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.