Fenix RC09 USB rechargeable 550 Lumen CREE XP-L HI LED Flashlight EDC with 16340 Li-ion battery , and EdisonBright CR123A Lithium back-up Battery bundle Utilizes Cree XM-L2 U2 LED with a lifespan of 50,000 hours and offers maximum brightness of 550 Lumens with 125 Yard Throw Reverse polarity protection, to protect from improper battery installation and digitally regulated output maintains constant brightness Perfect for EDC - compact size, convenient side switch and lock-out function as well as specialized two-position body clip & magnetic suction bottom Rechargeable - Golden magnetic charging port and lightweight charging base with Magnetic suction charging port in the neck and one included 16340 rechargeable Li-ion battery Includes EdisonBright CR123A backup battery in addition to Fenix rechargeable battery.