Operating range: 0 ... 17 m, light transmitter: LED, light type: red, alternating light, 660 nm, signal output: 2 PNP, antivalent, short-circuit proof, reverse polarity protected, open collectors, switching type: light/dark switching, switchable. (One H/D switch is only functional when the other is in the 'dark switching' position.), connection: device plug M12 x 1, 5-pin, rotatable by 90°, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)