The Pro 2200 boasts one of the categorys best power-to-weight ratios. With 2200 lumens of light output, using 3 CREE LEDs- set into a NiteRider custom reflector, guarantees to set the darkest bike trail ablaze. It features an accurate eight-step fuel gauge, keeping the rider informed of battery levels at all times. These attributes make the Pro 2200 the go to light among the worlds top athletes and enthusiasts alike. Features: Compact and lightweight, perfect for race inspired riders Custom 3 cone reflector producing brilliant trail illumination 3 class leading CREE LEDs at 6000k Rugged design with Dupont® Fiberglass reinforced nylon housings Handlebar mount fits up to 35mm diameter bars Helmet mountable Lightweight 4 cell Li-Ion battery Easily check battery power levels with the 8 step fuel gauge FL 1 Standard IP64, dust and water-resistant Comes with a convenient nylon storage pouch In The Box: LED Headlamp Li-Ion Battery Helmet Mount Handlebar Mount Fits up to 35mm 36 Extension Cable AC Adapter Nylon Storage Pouch