The Holosun 507C X2 Elite Micro Green Dot is an open-reflex sight designed for use with pistols. The sight includes Holosun's Green Super LED with up to 50k hours of battery life, a Multi-Reticle System, Solar Failsafe, and Shake Awake. Made of 7075 T6 aluminum, the surface is anodized for superior durability and performance and backed by Holosun's Elite warranty. Designed to be fully operation as needed, the 50,000 hour battery life on setting six guarantees performance whenever you need it. The battery is located in a sliding tray, allowing for easy changes as required without the hassle of removing the entire optic. Perfect for handguns, rifles PCCs, and shotguns, the flexibility of this optic helps to ensure success. By providing a large field of view, the pistol-sized Holosun 507C X2 optimizes target visualization and improved shot accuracy. Features:Great for handguns, rifles, PCCs, and shotgunsSolar failsafe2 Reticle modes2 MOA dot with 32 MOA circle2 MOA dot by itselfShake awake technologyGreen LEDMulticoated glass7075-T6 aluminum constructionBlack hardcoat anodizedConvenient battery tray50,000 hour battery lifePowered by (1) CR1632 Li Ion BatteryHolosun Elite WarrantyIncluded in the Box:T10 L KeyCR1632 BatteryUser ManualLens Cloth*DOES NOT INCLUDE MOUNT*Holosun Technologies is committed to creating innovative optic, laser/IR technologies for a broad range of shooting, hunting, law enforcement, and military needs. Using quality manufacturing standards, they provide military grade optics without the military grade price.