TRUGLO 30mm Dual-Color Dot Sight 5 MOA reticle designed for quick acquisition, dual-color reticle illumination (red and green) Shock resistant to 1000-Gram, waterproof, fog-proof, unlimited eye relief, wide field of view Adjustable rheostat for brightness control, multi-coated lenses Special anti-reflective interior eliminates stray light from appearing inside the sight Integrated weaver-style mounting system, battery included, lifetime limited warranty