Fenix HL55 900 Lumens Headlamp with a USB Charger, Two High Capacity 3500mAH Batteries and LumenTac Battery Organizer Maximum 900 Lumens utilizing Cree XM-L2 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 rechargeable battery or two CR123A batteries 160-degree tilt mechanism Includes 2x Fenix 3500mAh 18650, a Smart charger and a Lumentac Battery Organizer