Fenix HL55 900 Lumen CREE XM-L2 T6 LED Headlamp with EdisonBright EBR34 18650 3400mAh Li-ion rechargeable battery bundle 900 Lumen Utilizing Cree XM-L2 T6 neutral white LED with a lifespan of 50,000 hours All-function switch in the head for easy and fast operation Uses one 18650 or two CR123A batteries 115 -gram weight (excluding batteries) Bundle includes EdisonBright EBR34 3400mAh rechargeable 18650 Li-ion battery