BOSCH puts the latest in laser-measuring technology into a pocket-sized -- 4 inches by 2-1/4 inches -- digital laser rangefinder that will not only locate the targeted measurement point but also take precise measurements from our different reference points. Accurate measurements can be provided in decimal feet, feet, inches, and metric measurements, and measurement can continuously adjust as the Rangefinder moves. A built-in extension pin sings out for hard-to-reach spots, and The complete kit includes batteries, hand strap and carrying case.