Sensing range: 1 ... 30 mm, light transmitter: LED, light type: red, alternating light, 630 nm, signal output: 1 PNP output, short-circuit proof, reverse polarity protected, open collector, switching type: normally open / light switching, connection: fixed cable 2 m, operating voltage: 10 ... 30 V DC, ambient temperature: -20 ... 60 °C (-4 ... 140 °F)