Operating range: 0 ... 6 m, light type: infrared, alternating light, 880 nm, signal output: 1 NPN output, short-circuit proof, reverse polarity protected, open collector, switching type: light switching, connection: fixed cable 7 m receiver: gray, transmitter: black, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 C (-40 ... 140 F), fixed -20 ... 60 C (-4 ... 140 F), movable