Features 1、Excellent quality chips and components, possess stable quality, strong anti‑interference, high stability 2、Photoelectric switch come with wide operating temperature range, possess strong adaptability 3、1.4meter thickened good‑quality cable possess good electrical conductivity 4、Voltage range from 12‑24VDC, high repeat accuracy, fast frequency response, long service life 5、Using advanced technology with fine craftsmanship to bring smooth surface, which is very useful Specification Item Type: Approach Switch Material: Brass and ABS Model BR400-DDT BR400-DDT-P Output mode NPN.NO+NC(normally open+normally closed) PNP.NO+NC(normally open+normally closed) Detection Distance: Approx. 400mm / 15.7in Power Cord: Approx. 1.4meter / 4.6ft Detected Object: Opaque object Translucent Object Light Source: Infrared LED Action Mode: Light ON/Dark ON (control line setting) Detection Head Type: Cylindrical Working Temperature: -25~70℃ Storage Temperature: -30~+80℃ Type: 4-wire How to Use: The brown power cord is connected to the positive pole, the blue power cord is connected to the negative pole, the black power cord is connected to the signal output, and white power cord is connected to the control Package List 1 x Approach Switch 2 x Fastening Nut