TruGlo combines the tube and reflex style to provide improved durability, wide field of view and unlimited eye relief all in an ultracompact, lightweight design. The four-pattern reticle allows increased versatility and three brightness settings let you choose the perfect brightness for any lighting condition. The removable sunshade and anti-reflective lens coating work together to reduce glare on the lens. This sight is ideal for shotguns, handguns, rifles, muzzleloaders, paintball and crossbows. Mounts easily with the integrated Weaver-style mount. Battery included. Covered by a limited lifetime warranty.