Fork width: 40 mm, obstacle size: 0.3 mm, light transmitter: LED, light type: red, alternating light, signal output: 1 PNP, short-circuit proof, open collector, switching type: light/dark switching, connection: M8 connector, 3-pin, operating voltage: 10 ... 30 V DC, class 2, ambient temperature: -20 ... 60 °C (-4 ... 140 °F)