Operating range: 0 ... 50 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 / dark switching, PNP normally closed / light switching /Q - Pin2: NPN normally closed / light switching, PNP normally open / dark switching, Connection: Device plug M12 x 1, 4-pin, Operating voltage: 10 ... 30 V DC, Ambient temperature: -40 ... 55 °C (-40 ... 131 °F)