The Trijicon MRO (Miniature Rifle Optic) is a sealed reflex sight designed to be used on rifles, carbines, and shotguns, to provide fast target acquisition. It features a 2 MOA (Minute of Angle) green dot for optimal visibility in low light and transitional lighting conditions. The enlarged objective lens and tapered light path allows for a wider range of view resulting in a smaller overall size and increased situational awareness. The advanced lens coatings and electronics provide an exceptionally clear sight picture and crisp dot. Features: • 2 MOA green dot • 1 year battery life of continuous use at brightness setting 3 • Made from 7075-T6 forged aluminum • IP rated waterproof up to 100 feet (30 meters) • Weight: 4.1 oz. • Length: 2.6 inches • Infinite eye relief • Large viewing area The brightness control dial on the MRO is designed for ambidextrous usage and has an “off” position between every brightness setting from 1 to 8. The MRO has fully protected adjusters that will withstand shock and can be adjusted in ½ MOA increments without the need of special tools. This fully sealed, durable, waterproof optic, will be an excellent choice for a range rifle or home defense and will set you apart from everyone else. Trijicon has been building and designing brilliant aiming solutions for the United States military and consumers since 1981. Trijicon is world-renowned for the innovation of tritium and fiber-optics in their optics and the manufacturing processes required to build durable optics. Backed by a lifetime warranty, Trijicon scopes will provide the best outcomes in any situation whether it be on the range or in the field.