Allen-Bradley - 42KD Photoelectric Sensor - 42KD-P2LAT1-Y4

Polarized Retroreflective, Visible red, Adjustable Sensing Range, 0.1...1.6 m (0.33...5.25 ft), 10 ... 30V DC, Teachable light or dark operate, auto PNP or NPN, 4-pin Pico (M8 on a 6 inch pigtail)