uxcell&reg; DC 3 Wire 6-36V NPN NO IR Photoelectric Sensor Switch 30cm E18-B03N1 Product Name : Photoelectric Switch;Sending Light : Infrared Rays;Model : E18-B03N1 Wire Type : DC 3 Wire, Proximity-sensing / Diffuse Type;Type : NPN NO;Voltage : DC 6-36V Current : 300mA;Sensory Distance : 30cm;Head Diameter : 1.6cm/0.6" Body Size : 2.3 x 7cm/ 0.9"x 2.8"(Max.D*L);Material : Plastic, Alloy;Color : Black, Orange Cable Length : 120cm/47";Weight : 56g;Package Content : 1 x Photoelectric Switch