This portable handheld laser is light and compact to fit comfortably in the hand and easily in a pocket. Rests on any flat surface. Precise laser measure technology, accurate to 1/8 In. (inch). Features multi-function measurements that allow the user to utilize addition/subtraction, area/volume, distance, length, continuous measurement. Inverted backlit LCD display improves readability. Ergonomic soft grip prevents tool from easy drops or bumps. Perfect for the professional or do-it-yourself home projects. Includes 2 AAA batteries.