This multi purpose tool has a tape measure, multi directional leveler and ruler all wrapped up in one handy unit. You can hang perfectly straight pictures, shelving, wallpaper and household items with ease thanks to dual bubble levels and continuous laser beam. Complete with a built in 8 ft. locking measuring tape, standard/ metric ruler and reusable adhesive for hands free operation. Measures 61/4”L x 21/4”W and takes 2 (AAA) batteries available everywhere.