The Pro Sport 450 features a compact design, with a weather resistant, textured grip to ensure you will be able to hold on to it during the roughest outdoor conditions. This unit also features one-button operation, and has a minimum range of five yards, and reaches a maximum range of 999 yards. The Pro Sport 450 is constructed with 20 millimeter LCD lenses, and has a 4-times magnification level. This laser range finder includes Rain mode, which compensates for precipitation to guarantee an accurate distance measurement through rain or snow, as well as Reflector mode, which increases the maximum measurement range for most highly reflective objects. The Sport 450 lets you quickly choose between yards and meters, and displays distance to objects and target quality all at the simple press of a button. This unit includes a battery indicator that flashes when the battery life is low, and utilizes an invisible eye-safe, Class 1 type laser as classified by the FDA. This rangefinder runs on a 9-volt battery, weighs 7.4 ounces, measures 3.125 x 1.6875 x 3.9375 inches (W x H x D), and comes with a handy carrying case and strap.