This handy little laser level is lightweight and packs the right punch for any flooring or tiling project. When the tiles have to be straight, the flooring laser level accuracy of +/- 1/4" per 60' is more than you need when working for a bathroom or kitchen construction tool. With 1-button On operation, the 2 laser level beams are visible over multiple surfaces. Generates 2 lines on the floor at 90 deg. angles for surface layout including tile, stone, brick, carpet, and hardwood flooring. Projects 2 laser beams over wet mastic or concrete. Angles are easily established with the built-in protractor. Kit contains: Tiling/flooring laser level, 2 "AA" alkaline batteries, floor target, instruction manual with warranty card, soft-sided pouch.