Used with normal wear and tear and some engraving that has been removed. Tested and works great. The 40-6680 Self-leveling 5 Dot Laser Level projects a vertical beam straight up and straight down to easily transfer a point from the floor to the ceiling, plus will project 3 horizontal beams, 2 from left to right and one straight on to give you a perfect 90-degree angle in a room. Includes Magnetic Laser Mount! These Dot Laser Levels are self-leveling with accuracy of 1/8th of an inch at 50 feet, plus all have locking compensators so the laser level won’t shake or be damaged while not in use. Applications include: Layout and Installation of: Fixtures, Plumbing, Door Frames, Dormers, Electrical Switch & Outlet Boxes, Conduit Runs, Framing, Fencing & Misc. Carpentry Work ie Chair Rail.. Simultaneously projects five self-leveling beams. Locking mechanism protects inner pendulum during transportation. Visual and audible alarms when beyond leveling range. Laser rotates 360° when attached to magnetic laser mount. Includes: 5-Beam Laser Level, Multi-Function Magnetic Base, Soft Carrying Pouch, 3 AA Batteries & Manual. Number of Beams: 5. Laser Wavelength: 650nm+/-10nm(Red). Laser Classification: Class IIIa. Interior Range: Up to 200ft. (60m) depending on light conditions. Self-Leveling Range: +/-4.5 degrees. Power Supply: 3 “AA” alkaline batteries (included). Battery Life: Approximately 20 hours with alkaline batteries. Dimensions: 3.15″ x 3.858″ x 4.0 (80 x 98 x 101.6mm). Working Temperature: 14F to 113F (-10C to +45C). Center Screw Thread: 5/8″-11, 1/4″-20. IP Protection Class: 55.