Operating range: 0 ... 5 m, light transmitter: LED, light type: red, alternating light, signal output: 2 PNP outputs, antivalent, short-circuit proof, reverse polarity protected, open collector, circuit type: Q - Pin4: PNP breaker / light switching / Q - Pin2: PNP make contact / dark switching, connection: fixed cable with device plug M12 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -30 ... 60 °C (-22 ... 140 °F)