Operating range: 0 ... 17 m, 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 (one H/D switch is only in operation when the other is in the 'dark switching' position.), connection: terminal compartment with 8 spring-loaded terminals for wire cross-section 0.5 ... 1.5 mm2, stripping 7.5 ... 8.5 mm, cable gland M16x1.5, operating voltage: 10 ... 30 V DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)