Operating range: 0 ... 17 m, light transmitter: LED, light type: red, alternating light, signal output: 2 PNP, antivalent, short-circuit proof, reverse polarity protected, open collectors, switching type: light/dark switching, switchable, connection: device plug M12 x 1, 5-pin, operating voltage: 24 V DC ± 20%, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)