The Shield Sights RMSW-4MOA-GLASS is a cutting-edge mini reflex sight designed specifically for pistols and shotguns, offering unparalleled performance in extreme conditions.Engineered for durability, this waterproof sight features a hard-coated polymer lens that is also scratch-resistant, ensuring clarity and longevity in the field. Its unique gasket-sealed design guarantees watertight integrity at depths of up to 20 meters for over 30 minutes, making it the perfect companion for tactical and competitive shooting.Parallax Free for enhanced accuracyRuns on one 3V Lithium Battery, CR2032Sturdy Aluminum Housing for maximum robustnessCompatible with Night Vision equipment4 MOA Dot for precise targetingUpgrade your shooting experience with the advanced technology of the RMSW-4MOA-GLASS.