Retro-Reflective Sensor Sooe-Rg-R-Pnlk-T Design=Block Design, 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, * In Accordance with Eu Rohs Directive) , Certificate Issuing Department=Ul E232949, Festo