Operating range: 0 ... 4 m, number of beams: 6, light transmitter: LED, light type: red, alternating light, 625 nm, signal output: 2 push-pull outputs, antivalent, short-circuit proof, reverse polarity protected, switching type: light/dark switching, switchable, connection: device plug M12 x 1, 4-pin, operating voltage: 12 ... 30 V DC, ambient temperature: -30 ... 60 °C (-22 ... 140 °F) -10 ... 40 °C (14 ... 104 °F) with inactive signal tracking