Thru-beam sensor, cylindrical design (smooth), stainless steel housing, detection range 250 mm, infrared light, dark on, DC version, PNP output, fixed cable, Sensing range up to 250 mm, Large detection range in relation to design , Complete device, no amplifier needed, Voltage range 10 V ... 30 V DC, output current 100 mA short-circuit protected, Optical parts made of glass, easy cleaning