Scanning range: up to 70 mm (LMR 18-3.2-1.0-K4), light transmitter: LED, red light, 650 nm, light type: red, alternating light, signal output: 1 PNP output, short-circuit proof, reverse polarity protected, open collector, switching type: light/dark switching, switchable, connection: M12 connector, 4-pin, operating voltage: 10 ... 30 V DC, class 2, ambient temperature: -25 ... 70 °C (-13 ... 158 °F)