Trijicon ACOG LED 3.5x 35mm Rifle Scope - Crosshair .223 / 5.56 BDC - The LED ACOG is the first to offer user-selectable brightness controls. Users can select from six adjustable brightness levels with an "off" between each setting, allowing the operator to determine how much to illuminate the reticle - even in transitional lighting. Users can select multiple bullet drop compensating and ranging reticle options. Includes a thumbscrew flattop adaptor, AA battery, LENSPEN, lanyard assembly for adjuster caps, lanyard assembly for battery cap, Trijicon logo sticker, LED ACOG manual and warranty card. 3.5x zoom AA battery powered