The Lasertec HV2G rotary laser level features a bright red laser beam and is designed and built using cutting edge technology, such as its advanced electronically controlled self-levelling system, and the ability to manually set dual grades/slopes with ease. It features both horizontal and vertical levelling alignment options and a 250m (diameter) operating range. With a rechargeable battery pack and charger included in the kit for the laser level, you will not need to constantly purchase alkaline batteries, thus saving you money. The Lasertec HV2G is suitable for a wide range of uses by plumbers, plasterers, builders, bricklayers, concreters, landscapers, earthmovers, and DIY applications.