Features： 1、4MM DETECTING DISTANCE: This inductive proximity sensor allows reliable and accurate detection of metal objects up to 4mm away, efficient and stable. 2、PNP NO OUTPUT: This proximity sensor adopts PNP normally open output method, offering responsive and reliable sensing performance. 3、RELIABLE MATERIALS: Made of ABS and metal materials, this proximity switch has strong corrosion resistance, less prone to rusting and long service life. 4、EASY INSTALLATION: With a user friendly design, this induction approach sensor allows for quick and hassle free installation and wiring. 5、WIDE APPLICATION: Ideal for use in automated control systems such as mechanical devices, automated production lines, improving efficiency and productivity. Specification： Item Type: Inductive Proximity Sensor Material: ABS, Metal Temperature Range: -25℃ to 55℃ Detection Distance: Approx. 4mm/0.16in Detection Method: Inductive Thread Size: M18 Detected Object: Metal Line Length: Approx. 1.5m/59.06in Package List： 2 x Inductive Proximity Sensor 4 x Nut 4 x Accessories