Simple and streamlined, the Vortex Crossfire II Reflex Sight provides a bright aim point, clear optics, and motion activation. Built around an anodized aluminum chassis and fully multi-coated optics, the Crossfire II features anti-reflective coatings on all air-to-glass surfaces for enhanced light transmission and better low-light performance. The red 2 MOA dot provides a clean aiming dot with 7 daylight and 2 night-vision brightness settings. The Crossfire II is nitrogen purged and 100% waterproof, fogproof, and shockproof. Armortek lens coating on exterior lenses provides against scratches, oil, and dirt. Includes a lower 1/3 co-witness mount and a low mount. Up to 50,000 hours of operation on one CR2032 battery (included). Backed by the Vortex VIP Warranty. 2 MOA dot provides a simple, clean aim point 7 daylight and 2 night-vision settings Fully multi-coated optics Anodized aluminum chassis Nitrogen purged, 100% waterproof, fogproof, and shockproof Armortek coating on exterior lenses for resistance to scratches, oil, and dirt Up to 50,000 hours of operation on one CR2032 battery (included) Includes lower 1/3 co-witness mount and low mount