EOTECH 512 Holographic 1x Red Dot - 68 MOA Ring w/ 1 MOA Dot - Lightning fast target acquisition and reliable toughness make the 512 the most popular Holographic Weapon Sight (HWS) without night vision compatibility. Available in black for the tactical/recreational shooter and personal defense. It is powered by two AA batteries. This sight has buttons located on the rear with easy access for both right and left hand shooters and 20 brightness settings for dawn-to-dusk hunting as well as competitive shooting. Included in the box: HWS 512; Quick-Start Guide; Warranty Card; 2x AA Alkaline Batteries; Protective Case;