Hang shelves and cabinets, tiles and frames with accuracy Projects horizontal or vertical laser-light beam Locking 8-foot measuring tape. Standard and metric rulers perfect For Any Job That Requires A Straight Line Or Accurate Measurement. Precision:0.01 Name:Level-Laser Use this Laser Level for hanging pictures, installing shelving, laying flooring, hanging wallpaper and more. Laser light has an on/off power switch. Laser max output:less than 0.5mW Colour:As Shown Material:Metal Package Contents: 1 * Horizontal ruler 1 * bracket Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.