The NiteRider® Lumina™ Micro 900 Headlight is small, lightweight and bright. It includes features of the larger Lumina lights such as Intellicharge, a low battery indicator, lock mode, and strap handlebar mount. It's lightweight and small size are ideal for mounting to a helmet or other headwear. It features five mode with run times ranging from 2 to 60 hours. This headlight has a USB charger for convenience and takes anywhere from 2.5 to 4.5 hours to charge. Dont get caught in the dark without the NightRider® Lumina ™ Micro 900 Headlight to light your way home.