With this laser measuring tool from DEWALT, you can shine a beam to get the best possible estimate. It works just like measuring tape, but uses a bright and highly accurate laser. This tool weighs 8.798 pounds and measures 12.91 inches by 6.26 inches. The 12v battery maximizes your measuring time, and the over-molded housing provides protection against water and debris infiltration. With this in your tool arsenal, you can make much more accurate measurements.