Fenix HL55 Rechargeable 900 Lumens Headlamp with Fenix 3500mAh Rechargeable Battery (Built-In Charge Port) and LumenTac USB Charge Cable 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; Five adjustable brightness levels Uses one 18650 or two CR123A batteries 160-degree tilt mechanism The bundle includes 1x Fenix ARB-L18-3500U 3500mAh Rechargeable 18650 Battery with built-in Micro-USB charging port & LumenTac USB to Micro-USB charging cable