11.2x31x20mm World Standard Diffuse with Background Suppression Photoelectric Sensors 13x14.5x3.5mm Miniature Diffuse with Background Suppression Photoelectric Sensors Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~30mm, NPN N.O./N.C., cubical housing, Pig-tailed with M8 4 pin connector Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~30mm, NPN N.O./N.C., cubical housing, Pre-wired 2m cable Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~30mm, PNP N.O./N.C., cubical housing, Pig-tailed with M8 4 pin connector Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~30mm, PNP N.O./N.C., cubical housing, Pre-wired 2m cable Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~50mm, NPN N.O./N.C., cubical housing, Pig-tailed with M8 4 pin connector Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~50mm, NPN N.O./N.C., cubical housing, Pre-wired 2m cable Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~50mm, PNP N.O./N.C., cubical housing, Pig-tailed with M8 4 pin connector Blue LED DC Diffuse photoeye with background suppression, sensing range: 2~50mm, PNP N.O./N.C., cubical housing, Pre-wired 2m cable Compact Size Diffuse with Background Suppression Photoelectric Sensors M12 Tubular Diffuse with Background Suppression Photoelectric Sensors, Up to 60mm Sensing Range M18 Tubular Body Diffuse with Background Suppression Photoelectric Sensors, Up to 120mm Sensing Range