Airsoft Atlanta is proud to offer official EOTech products in our store. EOTech Model 512 Holosight (Black). Model # EO 512.A65 is shown on an airsoft Masada gun. Uses two standard AA batteries to power this awesome holographic scope. Official EOTech scope product. For use on real guns and airsoft guns.Kit comes with two AA batteries. Battery life is 600 hours with regular Alkaline AA batteries, or 1000 hours with lithium. Auto-shutoff happens after 8 hours of continuous use, to help preserve battery life. Full warranty through EOTech.