Features 1、Super good‑quality chips and components, possess stable quality, strong anti‑interference, high stability 2、The product come with wide operating temperature range, possess strong adaptability 3、Adopt 1.4meter thickened good‑quality cable, possess good electrical conductivity 4、Possess wide voltage range, high repeat accuracy, fast frequency response, long service life 5、Using advanced technology with excellent craftsmanship to bring smooth surface, which is very practical Specification Item Type: Approach Switch Material: Brass and ABS Output Mode: NPN.NO (normally open) Maximum Current: 200mA Detection Distance: Approx. 15mm / 0.6in Standard Detection Object Size and Type: Approx. 45 x 45 x 1mm / 1.8 x 1.8 x 0in, iron Monitoring Surface Diameter: Approx. 30mm / 1.2in Power Cord: Approx. 1.4meter / 4.6ft Detected Object: Magnetic metal Detection Head Type: Cylindrical Working Temperature: -25~70℃ Storage Temperature: -30~+80℃ Type: Three-wire How to Use: The brown power cord is connected to the positive pole, the blue power cord is connected to the negative pole, and the black power cord is connected to the signal output Package List 1 x Approach Switch 2 x Fastening Nut 2 x Washer