This item may be regulated for export by the U.S. Department of State or the U.S. Department of Commerce. Please see our Export Policy prior to placing your order.The 518-2 Holographic Sight runs on easy to find AA batteries but offers all of the features found in EOTechs EXPS top of the line sights. With side button functionality, you can reduce rail space when partnering the 518-2 with an EOTech magnifier. The adjustable, locking quick-detach lever fits both 1" Weaver and MIL-STD-1913 rails. Comes with 20 daylight settings. Features/Specifications: Easy adjust side buttons, Adjustable, locking quick-detach lever fits both 1" Weaver and MIL-STD-1913 rails, Operates on 2 common AA Alkaline or Lithium batteries, Compatible with LBC, Magnifier compatible, Two dot reticle, 20 daylight settings.