Feature: 1. Using excellent chips and components, strong antiinterference and high stability. 2. Wide operating temperature range, strong adaptability and very practically. 3. With 1.4m thick cable, good electrical conductivity, with small size, easy to carry and store. 4. The voltage range is wide, the repeat accuracy is high, the frequency response is fast, and the service life is long. 5. Simple to use, the brown power cord is connected to the positive pole, and the blue power cord is connected to the negative pole. Specification: Item Type: BERM Proximity SwitchMaterial: Brass and ABS Model PRL30-15AO PRL30-15AC Output method NO NC Sensing Distance Quotient: Approx. 15mm / 0.6in Standard Detection Object: Approx. 45 x 45 x 1mm / 1.77 x 1.77 x 0.04in (iron) Power Cord: Approx. 1.4meter / 4.6ft Detected Object: Magnetic metal Detection Method: Cylindrical Working Temperature: -25~70 Storage Temperature: -30~+80 Type: 2-line How to Use: The brown power cord is connected to the positive pole, and the blue power cord is connected to the negative pole.. Package List: 1 x Sensor2 x Fastening Nut2 x Gasket