Fenix TK22 2014 Edition 920 Lumen CREE XM-L2(U2) LED Smooth Beam Tactical Flashlight with 2X LegionArms CR123A Batteries max 920 Lumen using Cree XM-L2 (U2) LED with a lifespan of 50,000 hours Low-voltage warning function, to remind the users of battery replacement when in low voltage Anti-roll, slip-resistant body design Powered by one 18650 rechargeable Li-ion battery or two 3V CR123ALithium batteries This bundle include two LegionArms CR123A lithium batteries