The Trijicon 16x24 VCOG is a highly rugged variable magnification riflescope designed for close quarter battle CQB and long distance marksmanship. features superior glass first focal plane reticle LED reticle is robust enough for any application integrated dial fin allows easy rotation through the magnification range and a constant eye relief means no head or stock position adjustments are needed. It has 6 userselectable brightness settings the green LED boasts a battery life of 1400 hours at setting 4 constant on. Includes a thumbscrew flattop adaptor AA battery LENSPEN Trijicon logo sticker manual and warranty card.