The Truglo 30mm Traditional Red Dot Sight has both the power and the rugged construction to stand the test of time in any shooting application. This sighting device is fog proof, shockproof, and waterproof, all while maintaining a lightweight and compact design. The Truglo 30mm Traditional Red Dot Sight features a 5MOA reticle that is specifically designed for quick target acquisition with shotguns, rifles, and handguns. This sighting device also features multicoated lenses, which allow for up to 95% more light transmittance, and an 11-stage rheostat for customized brightness control. 5 MOA reticle for quick acquisition 2 choices of reticle color for contrast against any target / background (red and green) Adjustable rheostat for brightness control Lightweight / compact design 24x34mm window for ultra-fast target acquisition Anti-reflection coating on target side Integrated Weaver-styBattery included (3V-CR2032)le mounting system Lifetime Limited Warranty