Light and Motion Seca 1500 Bike Light 1500 Lumen Output certified to the FL-1 Standard with high powered a 6 CREE LED array Custom engineered bi-conic reflector optimizes the light to provide a smooth, even beam pattern 6 Modes: High: 2 hours (1500 Lumens) &gt; Med: 4 hrs. (800 lumen.) &gt; Low: 8 hrs. (450 lumen.) &gt; Pulse: 16 hrs. (450 lumen.) &gt; Race High: 2 hours (1500 lumen.) System Includes: 3 Cell Li-ion Rechargeable Battery, Helmet Mount, Battery Straps, Zippered Bag and Mini-L 1.5 Charger Quality Craftsmanship. Designed & Assembled in California with 2 Year Warranty when purchased through an Authorized Dealer