The laser guided level projects a 50 foot line, has built in horizontal and vertical level bubbles, adheres to any surface and leaves no marks behind. Easily decorate your home by installing shelves and hanging pictures evenly. Level requires three "aaa" batteries (not included). This item is black, orange with a gray on and off switch. Comes with adhesive strip and two pins located in the battery compartment for convenient wall mount. Item is in a clam shell package and instructions for use are included. Measures 4 13/16" x 1 5/8" x 2 3/8".