Sensing range: 10 ... 40 mm, light transmitter: LED, light type: red, alternating light, signal output: 2 push-pull outputs, short-circuit proof, reverse polarity protected, overvoltage proof, interface type: IO-Link (via C/Q = BK), circuit type: C/Q - Pin4: NPN normally closed / dark switching, PNP normally open / light switching, IO-Link /Q - Pin2: NPN normally open / light switching, PNP normally closed / dark switching, connection: device plug M8 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)