Operating range: 0 ... 8 m, light transmitter: LED, light type: red, alternating light, 625 nm, signal output: 1 PNP output, short-circuit proof, reverse polarity protected, open collector, switching type: light/dark switching, connection: device plug M12 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)