Light and Motion Seca 2000 Enduro 6-Cell Rechargeable Headlight 2000 Lumen Output certified to the FL-1 Standard with high powered a 6 CREE LED array Rechargeable Li-ion external battery pack High, Med, Low, Pulse, Race Modes (2.5-20 hour run-time), regulated output so light does not dim during use System Includes: 6 Cell Li-ion Rechargeable Battery, Helmet Mount, Battery Straps, Zippered Bag and Mini-L 1.5 Charger Designed & Assembled in California with 2 Year Warranty when purchased through an Authorized Dealer Cruise mode cycles through High, Medium, Low and Flash sequentially Race mode skips the Medium and Flash modes, to conserve battery power on the climbs while keeping the High setting just a click away for the descents Helmet and handlebar mounts included Replacement Li-ion batteries, NOT included