Operating range: 0 ... 3.5 m in teach mode, 0 ... 4 m with switch position 'N', 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 = pin 4), circuit type: the circuit type of the sensor can be switched. The delivery state is: C/Q - pin 4: NPN normally open / dark switching, PNP normally closed / light switching, IO-Link /Q - pin 2: NPN normally closed / light switching, PNP normally open / dark switching, connection: device plug M8 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -20 ... 60 °C (-4 ... 140 °F)