EdisonBright Fenix TK16 1000 Lumens Cree LED tactical Flashlight package with genuine Fenix ARB-L2M 18650 Li-ion rechargeable battery and 2X CR123A Lithium batteries New 1000 Lumens uses Cree XM-L2 U2 LED with a lifespan of 50,000 hours. Powered by one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries (Both supplied) Instant Strobe mode Tail mode switch for easy and fast output selection, instant Strobe mode Bundle includes Fenix ARB-L2M 18650 rechargeable Li-ion battery, and two EdisonBright CR123A lithium batteries