Scanning range: on black (6%): up to 36 mm on Kodak white, reflection level 90%: up to 120 mm with fiber optic cable LLR 04-1,6-0,5-WC3, light transmitter: LED, light type: red, alternating light, 660 nm, signal output: 2 PNP, antivalent, short-circuit proof, reverse polarity protected, open collectors, switching type: light/dark switching, switchable The switching types specified in the 'Electrical connection' section apply to H/D switch in position 'L' (light-switch), connection: device plug M12 x 1, 4-pin, operating voltage: 10 ... 30 V DC, ambient temperature: -20 ... 60 °C (-4 ... 140 °F)