Fork light barrier SOOF-M-FL-SM-C80-P Stable metal housing. 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, * Contains PWIS substances, * Conforms to RoHS), Measured variable=Position, Measuring principle=Optoelectronic