EdisonBright Fenix E25UE 2015 Ultimate Edition 1000 Lumen CREE XP-L V5 LED Flashlight with two AA batteries Max 1000 Lumen Uses Cree XP-L V5 LED with a lifespan of 50,000 hours Powered by two 14500 rechargeable Li-ion batteries or two AA (Ni-MH/Alkaline) batteries Intelligent drive circuit automatically determines output levels depending on battery used Dual side switch for easy and fast operation This bundle includes two edisonBright AA batteries