Cree XML T6 LED Bike Headlight Headlamp Bicycle Light with Rechargeable 4400mah Battery, 1200lm, Waterproof-4 Newly Upgraded Features and Additions +Charger + Headband + Rear Red Light (Free Gift)(t6) Super bright: up to 1200 lumens output and 500m irradiation range Anodized aluminum with glass lens, waterproof and weather resistant Can be used as Headlamp or bicycle light,easy to install and use Mounting accessories included for helmet or head wear Comes with a 4400 mAh rechargeable lithium battery pack