Sensing range: 40 ... 900 mm, light transmitter: IRED, light type: infrared, alternating light, 880 nm, signal output: 1 PNP, short-circuit proof, reverse polarity protected, switching type: light switching, connection: device plug M12 x 1, 4-pin, operating voltage: 24 VDC -20% +10%, ambient temperature: -20 ... 50 °C (-4 ... 122 °F)