Retro-Reflective Sensor Soeg-Rsp-M18W-Ns-K-2L with Polarised Light, Round Design, with 90┬░ Angled Beam Design=Round, Conforms to Standard=En 60947-5-2, Authorisation= (* Rcm Mark, * C Ul Us - Listed (Ol)), Ce Mark (See Declaration of Conformity) =To Eu Directive for Emc, Materials Note=Free of Copper and Ptfe, Festo