The Truglo Tru-Point Open Red-Dot Sight is water and shock resistant as well as fog proof. This lightweight, less than 2 ounce, sight features a tubeless design and offers unlimited eye relief, four MOA dot for fast target acquisition, and a light-sensitive rheostat for brightless control. Special lens coatings completely eliminate double-dot and split images. Low power consumption and a protective snap-on cover that activates "sleep mode" helps extend battery life. The sight, which is ideal for shotguns, handguns and airguns comes with a limited lifetime warranty and an integrated Weaver-style mounting system.