EdisonBright Fenix PD35 TAC 1000 Lumen CREE LED Tactical Flashlight with Fenix ARB-L2S 18650 Li-ion Rechargeable Battery, Fenix Smart Charger and 2 X CR123A Lithium Batteries Bundle 1000 Lumen max utilizing Cree XP-L (V5) LED with a lifespan of 50,000 hours Tactical tail switch with momentary-on function Uses one 18650 rechargeable Li-ion battery or two 3V CR123A Lithium batteries Digitally regulated output - maintains constant brightness Bundle includes 2 slot Fenix battery Charger, Fenix ARB-L2S 3400mAh 18650 batteries and Two EdisonBright CR123A lithium batteries.