Nitecore MT21A LED Flashlight Uses 2X AA, Black 260 Lumens - equipped with latest Cree XP-E2 R2 Blub Use commonly available 2x AA Batteries (Ni-MH or Alkaline) (not included) 218 yards - focused beam goes long way for your task Three brightness and strobes too! Lightweight - less than 3 oz Waterproof in accordance with IPX-8 (2 meters submersible)