Lupine Lighting Systems Neo 2 Bike Helmet Light, 700 Lumens with 2.2 Ah Rechargeable Battery BRIGHT LIGHT: Latest generation CREE XM-L2 LED chip produces 700 Lumens, throwing a beam of light penetrating 120 meters/130 yards LONG RUNTIME: Rechargeable 2.2 Ah Battery powers Neo runtimes of 2:15 to 50 hours LIGHTWEIGHT: The Neo weights just 175g with battery, ideal for mounting on a bike helmet or handlebar VERSATILE: The wide range of accessories included with purchase allow for easy mounting on virtually any vented helmet or bike handlebar DURABLE: CNC-machined from high-quality aluminum; Durable in all weather conditions; Ideal for extreme nighttime activity including mountain biking, hiking, skiing, camping, canoeing, hunting, fishing and event photography