The TruGlo 30mm Red Dot Sight is designed for fast target acquisition with a clear sight picture. Multi-coated lenses on this red dot sight increase light transmission for brighter imagery. The 5 MOA reticle provides an accurate point of aim and an adjustable rheostat allows adjustment of the reticle's brightness. For added durability, this TruGlo red dot is waterproof, fogproof, and shock-resistant and is ideal for any weather conditions or environments. Great for close-range, the TruGlo 30mm Red Dot Sight offers a wide field of view with an accurate 5 MOA red dot reticle.