Description: Laser Level Aligner can measure whether flat or uneven Planar. It can play three kinds of lines:horizontal, cross lines, the moldings. Laser head can push up and down to converse line mold . there are three stalls can push. Hang shelves and cabinets, tiles and picture frames with accuracy projects horizontal or vertical laser light beam. Locking 8-foot measuring tape.Standard and metric rulers.Note that do not force too much. Ideal For Any Job That Requires A Straight Line Or Accurate Measurement. Use this Multipurpose Laser Level for hanging pictures, installing shelving, laying flooring, hanging wallpaper and more. Features&details: Size : 18.7 (L) x 6(W) x 2.5(H) cm Color : Black Laser light has an on/off power switch. Laser max output: less than 0.5mW Powered by 3*AG13 button cell battery (included) Package Included: 1X Laser Level Aligner