Feature:1. Selected chips and components, stable quality, strong antiinterference and high stability.2. The photoelectric switch has a wide operating temperature range and strong adaptability.3. With 2 meters thick cable, good electrical conductivity, can meet your needs well.4. Wide voltage range, with high repeat accuracy and fast frequency response.5. Great workmanship, perfect replacement for the old one and has a long service life.Specification:Item Type: BERM Photoelectric SwitchDetection Type: Diffuse reflection typeMaterial: Brass and ABSModelBR100-DDT BR100-DDT-P Output method NPN.NO+NCPNP.NO+NCSensing Distance Quotient: Approx. 100mm / 3.9inPower Cord: Approx. 2meter / 6.6ftDetected Object: Opaque objectTranslucent Object Light Source: Infrared LED (940nm)Action Mode: Light ON/Dark ON (control line setting)Detection Method: CylindricalWorking Temperature: -25~70Storage Temperature: -30~+80Type: 4-wireHow to Use: The brown power cord is connected to the positive pole, the blue power cord is connected to the negative pole, the black is connected to the output signal, and the white is connected to the control..Package List:1 x Sensor2 x Fastening Nut