The TruGlo Tru-Brite Open Red Dot Sight is a compact reflex sight designed for fast target acquisition. For versatility, this TruGlo red dot has both red and green illumination options as well as four reticle patterns: a 2.5 MOA dot, a 5 MOA dot, a 2.5 MOA circle dot, and a 5 MOA circle dot. An adjustable rheostat offers quick brightness adjustments to quickly adapt to the conditions. This TruGlo sight has an anti-reflection coating to reduce glare and provide a clear sight picture. With unlimited eye relief and a 24x34 window, the TruGlo Tru-Brite Open Red Dot Sight provides a versatile point of aim with ultra-fast acquisition ideal for tactical and fast-action target shooting.