The Mepro RDS Pro V2 Red-Dot Sight is an energy-efficient, compact sight that provides thousands of operating hours while utilizing a single AA commercial battery. Featuring battle-proven LED technology and rugged MIL-STD design, the sight assures reliability under the harshest environmental conditions. With its large display window and clearly-defined Red-Dot, the Meprolight ensures rapid target acquisition with both eyes open. Offering four easily switchable reticle brightness intensities for every tactical scenario.