Simple and streamlined, the Vortex Crossfire II Solar Reflex Sight provides a bright aim point, clear optics, solar/battery flexibility, 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 2 MOA dot provides a clean aiming dot with 10 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. Auto D-Tec technology detects light conditions to draw from battery or solar power as needed. Includes a lower 1/3 co-witness mount and a low mount. Up to 150,000 hours of operation. Backed by the Vortex VIP Warranty. 2 MOA dot provides a simple, clean aim point 10 daylight and 2 night-vision settings Fully multi-coated optics Anodized aluminum chassis Nitrogen purged, 100% waterproof, fogproof, and shockproof Auto D-Tec technology detects light conditions to draw from solar or battery power Armortek coating on exterior lenses for resistance to scratches, oil, and dirt Includes lower 1/3 co-witness mount and low mount