Proximity Sensor SMT-8G-PS-24V-E-0,3Q-M8D Magnetic, contactless, for T-slot. Authorisation=c UL us - Listed (OL), CE mark (see declaration of conformity)=to EU directive for EMC, Materials note=Conforms to RoHS, Measuring principle=Magnetoresistive, Ambient temperature=-20 - 70 ?C