M18 Retroreflective

M18B-L3000A-DX9Q4UM M18 Photoeye, Retroreflective, 3 m, 20-240 V AC, AC Solid State, Dark On, Quick Disconnect

M18 Prox-Style Photoelectric, Retroreflective, 3 m, Chrome Plated Brass, 20-240 V AC, AC Solid State, Dark On, 1/2-20UNF Micro, Quick Disconnect