FENIX TK09 ULTIMATE FLASHLIGHT PACKAGE ! 450 Lumens ! Includes Free Battery and Charger ! Cree XP-G2 (R5) LED Free Battery & Charger Included ! Uses one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries Tactical tail switch with momentary-on function Cree XP-G2 (R5) LED with a lifespan of 50,000 hours Premium Type III hard-anodized anti-abrasive finish