Stabila 37924-24-Inch Electronic TECH Level 24-inch TECH level that combines a Stabila spirit level and a dual display electronic level Vial accuracy guaranteed for life; digital displays are located on the top edge and the front face for easier and faster reads Permanently calibrated, epoxy locked vials Electronic module reads in degrees, percentage or inches-per-foot so you can set slope and pitch Weighs 2.2 pounds shipped; requires 2 AAA batteries (included)