6.63” overall. 3-MOA reticle. Coated optics. Shockproof. Waterproof. Fogproof. Ideal for shotguns, handguns, rifles, muzzleloaders, and crossbows. Dual color (red and green) illuminated reticle. Circle represents 24” at 30yds. Detachable, extended sun shade eliminates glare from front lens. Comes with spare battery and battery storage compartment. Integrated Picatinny/Weaver-style mounting system. 30mm objective lens. Flip up lens cap. Clam packed.