Johnson's Tile/Flooring Laser Level 40-6616 projects two 90-degree laser level beams that are visible over multiple surfaces with an accuracy of +/- 1/4 inch for up to 60 feet. It features manual leveling (with vials) and one-button "on" operation. It's sold with batteries, a floor target, and a storage pouch. Price: $78. 888-953-8357. www.johnsonlevel.com.