Sensing range: up to 460 mm (KLR-C02-2, 2-2, 0-K146), light transmitter: LED, light type: red, alternating light, 640 nm, signal output: 1 push-pull output NPN/PNP, short-circuit proof, switching type: light/dark switching, switchable, connection: 200 mm, PVC cable with M8 connector, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -10 ... 55 °C (14 ... 131 °F)