Operating range: 0 ... 17 m, light transmitter: LED, light type: red, alternating light, 660 nm, signal output: relay, 1 changeover contact, switching type: light/dark switching, switchable (one H/D switch is only in function when the other is in the 'dark switching' position.), connection: 7-pin surface-mounted plug, up to 250 V AC without cable socket, operating voltage: 12 ... 240 V AC/DC, ambient temperature: -40 ... 60 °C (-40 ... 140 °F)