Ugoe NB13-01 Ultra Powerful 3000 Lumens Rechargeable Bike Light, Waterproof LED Headlight with Li-pol Battery Pack, Compatible with All Bike Types, SUPER BRIGHT AND EXTRA LONG RUN-TIME - at 3000 REAL Lumens, you can be sure you will see everything ahead of you, even on the darkest path. Wide beam pattern, Excellent for Downhill or MTB riding. Packed with 6000mAh high-quality battery, lasting about TWO HOURS on high Model EASY INSTALLATION Easy install in seconds without any tools and fits a wide range of handlebar diameters. PREMIUM QUALITY  The bike light is manufactured form high quality aircraft aluminum on high precision CNC machines, ensuring you the highest possible result. INDESTRUCTIBLE - Extremely durable even on the toughest terrains. Test it, and if were not up to our promises we will refund you, or Exchange in a Snap! One year warranty on Everything, get a full Refund or a Replacement!