The idea of the ELME Add-on Kit is to facilitate the possibility of adding options to your spreader after the initial purchase, using genuine parts that are designed to specifically fit your spreader. Indication 20/40ft position sensors with warning lights serves as an additional assurance for the operator to know the positioning of the beams. This add-on kit also gives you the opportunity to keep statistics of the various sizes of containers handled at the terminal to gain full control of the container flow. The warning lights and sound will aware the surroundings that the beams are moving into a different position. DISCLAIMER All specifications are subject to change without notice. Further information is available on request.