Operating range: 0 ... 6.5 m, light transmitter: LED, light type: red, alternating light, 660 nm, signal output: 2 PNP outputs, antivalent, short-circuit proof, reverse polarity protected, open collector, switching type: light/dark switching, switchable, connection: metal plug M12 x 1, 4-pin, 90° rotatable, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)