Essential Tool for Remodeling Plumbing & Piping, Framing, Decoration, Alignment, Carpentry, and Finish Carpentry Features: Projects 5 laser lines (4 vertical lines, one horizontal line) and a down point on any surface. Auto leveling with magnetic damping compensator. Automatic shut down laser line when out of leveling range (3). Easy to make 360 degree rotation. Engineered for one person operation and every-day use. Mounts easily on the survey tripod. All-in-one package. Contents of A Set: 1. Carrying case x 1 2. Laser glasses x 1 3. AA alkaline battery x 3 4. L-shaped target board x 1 5. Adaptor x 1