Fully automatic, long range layout. Auto alignment allows you to layout square with only one person in just seconds. Layout over ranges above 50ft is a time-consuming and high risk job. When layout errors occur high follow-up costs will be the result. The LA 180 L self-leveling multi-line laser allows you to layout greater than 20ft up to 300ft fast and accurately. The REC 410 Line RF receiver controls the LA 180 L using the STABILA wireless AUTO ALIGNMENT technology. One press of a button and the laser adjusts automatically to the position of the receiver. This is a fast and precise layout tool. It is designed for applications >20ft up to 300ft. Commercial construction, HVAC, masonry, concrete and top end landscape jobs. Drywall construction – suspending ceilings, positioning interior and partition walls within a range of 300ft. Framing - layout wall positions at the push of a button. Quickly establish square, even when the slab or foundation you're working on is out of square. Concrete – Layout forms perfectly straight and square. Optional laser and receiver mounts available for most re-usable forming systems.