Vont Bike Light - Tools-Free Installation in Seconds - Headlight Compatible with: Mountain & Kids & Street Bicycles AS BRIGHT AS A CAR: Awarded Amazons Choice for Dual Bike Light" because our advanced CREE LED lights can illuminate the entire road. ATTACHES IN SECONDS: Unlike other bike lights, you don't need any tools for installation. Attaches and de-attaches effortlessly in seconds. FEATHER-LIGHT: Smart construction and streamlined design make these easy to pack and carry. You won't even feel the weight of the light on your bike. DURABLE MATERIALS: Built to withstand the rigor of country excursions, natural disasters and over-caffeinated toddlers. We construct these with military-grade materials that are practically indestructible. Fully water resistant. 100% SATISFACTION GUARANTEE: Your satisfaction is our guarantee, if you aren't happy with your light for ANY reason, let us know and you get your money back, no questions asked! That is how confident we are that you will LOVE your bike light. You are also backed by a 10 year warranty covering accidental damage and defection.