The Holosun 407 Red 2MOA Dot Open Lens Solar Shake Awake 7075 Aluminum Miniature Pistol Reflex Sight is a rugged, fast-acquisition pistol optic designed to deliver clear, precise sighting in a variety of conditions. It features a bright red 2MOA dot reticle for quick target engagement and an open-lens design that provides a wide field of view with unlimited eye relief and parallax-free performance at typical handgun distances. Constructed from durable 7075-T6 aluminum with a hard-anodized finish, the sight uses Solar Failsafe and Shake Awake power management to extend runtime, often providing up to 50,000 hours of battery life on a single CR2032 cell. It also offers 1MOA windage and elevation adjustments and an IP67 waterproof rating, making it a dependable choice for competitive, duty, and everyday carry pistols. Holosun 407 Red 2MOA Dot Open Lens Solar Shake Awake 7075 Aluminum Miniature Pistol Reflex Sight HS407C-RD2-X3