Spectra's LT58 Line Laser Level is the practical solution for almost all line laser needs. Laser Beams The LT58 has clear, crisp laser lines, all with 360 degree coverage. The horizontal beam has a green laser that can be seen up to 100' (30m), making it ideal for ceiling and acoustic work. The two vertical beams are red and placed 90 degrees apart from each other. This makes it ideal for laying tile, wall layout and installation, cabinet and chair railing installation, point transfer, and vertical and horizontal layout. Power The LT58 is powered by a rechargeable lithium-ion battery that gives you up to 19 hours of continuous use using the horizontal, green laser beam. Ease-of-Use The LT58 is compact, lightweight, and small. This makes it super easy to mount and store. The mount has fine vertical height and horizontal rotation adjustments. It's easy to mount to any type of ceiling track and even includes a magnetic mount for steel column mounting. It also has an automatic leveli