Abus ls2030 profiline infrared light beam 30m abus ls2030 the abus ls2030 profiline infrared light beam 30m is an innovative beam that detects up to a distance of 60m indoors and 30m outdoors dual light beams and anti sabotage monitoring of the transmitter and receiver guarantee reliable functionality installation is quick and easy thanks to the horizontal and vertical alignment capabilities of the transmitter and receiver laser beam calibration and led display abus ls2030 profiline infrar