14MM DETECTING DISTANCE: This inductive proximity sensor allows reliable and accurate detection of metal objects up to 4mm away, efficient and stable. 2PNP NO OUTPUT: This proximity sensor adopts PNP normally open output method, offering responsive and reliable sensing performance. 3RELIABLE MATERIALS: Made of ABS and metal materials, this proximity switch has strong corrosion resistance, less prone to rusting and long service life. 4EASY INSTALLATION: With a user friendly design, this induction approach sensor allows for quick and hassle free installation and wiring. 5WIDE APPLICATION: Ideal for use in automated control systems such as mechanical devices, automated production lines, improving efficiency and productivity. 2 x Inductive Proximity Sensor 4 x Nut 4 x Accessories