ThruNite TN4A LED Flashlight Powered by 4 AA batteries (1)Adopts latest CREE XP-L V6 LED technology to give great light efficiency. (2)Six modes available: Firefly, Low, Medium, High, Turbo and Strobe. (3)ThruNite ITC (intelligent temperature control) technology to prevent possible light damage from overheating. (4)Applicable for AA batteries to use economically everywhere and Ultra clear tempered glass lens with anti-reflective coating. (5)Compact thrower with high quality beam from orange peel reflector and Advanced electronic switch with low voltage indication for silent operation.