Bushnell Trophy XLT features 11 Brightness Levels, Red or Green Illumination 4 Reticles and free Scope Rings.The changeable reticle makes this sight extremely versatile. See above to compare reticles. Turn the knob to use the 3 MOA dot for distance, the crosshair for quick acquisition and precision, the 10 MOA dot for close in and fast, and the dot within a circle for leading moving targets like flying waterfowl. These scopes are 1X non-magnified so there's no parallax error and it doesn't matter where the reticle appears in the scope. Fast, both eyes open target acquisition; Zero parallax error; Sights are visible in any light on any background; No front and rear and target to line up... put the dot on the target and fire!Unlimited eye relief for long guns, handguns, or Scout Scope applications. This sight features a 30mm tube and comes with free 30mm rings that mount to any standard Weaver style base.Visit our Riflescope Home Page for more Red Dots and Riflescopes!