Sensing range: 0.03 ... 8 m, light type: red, alternating light, signal output: 2 push-pull outputs, short-circuit proof, reverse polarity protected, circuit type: Q - Pin4: NPN normally open / light switching, PNP normally closed / dark switching /Q - Pin2: NPN normally closed / dark switching, PNP normally open / light switching, connection: device plug M12 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 55 °C (-40 ... 131 °F)