Sensing range: 2 ... 12 mm, light transmitter: LED, light type: red, alternating light, 640 nm, signal output: switching output PNP normally open AND connection of both sensor channels, short-circuit proof, reverse polarity protected, switching type: light switching, connection: device connector M12 x 1, 5-pin, operating voltage: 10 ... 30 V DC, ambient temperature: 0 ... 50 °C (32 ... 122 °F) The switching accuracy is maintained if the ambient temperature does not deviate by more than ±7 °C after teach-in.