Retro-Reflective Sensor , M18 X 1 , Threaded Type , Sensing Range 5 M , 3-Wire , Dc Npn , Operating Voltage: 10...36 V Dc , Current Consumption: 20 Ma , Light-On / Dark-On Programmable Via Pushbutton , Quick Disconnect , M12 Connector , Polarization Filter , Housing Material: Stainless Steel 316L / 1.4404 Pa Lcp Epdm Tpu (Urethane) , Lens Material: Pmma