CatEye - Volt 400 Rechargeable Bike Light with Helmet Mount SEE AND BE SEEN: The Volt 400's high-intensity white LED provides 400 lumens, lighting the way and alerting others of your presence. LIGHT FOR EVERY RIDE: Whether you're riding in broad daylight or complete darkness, we've got you covered. The Volt 400 offers high, middle, low, constant, and flashing light modes. GO THE DISTANCE: Your CatEye light won't stop until you do. The Volt 400 provides up to 60 hours of battery life on a single charge. SECURE AND GO: Spend less time setting up your gear and more time on the road. The Volt 400 with Helmet Mount lets you secure your light quickly and easily to get light exactly where and when you need it. ALL WEATHER PROTECTION: Don't let a little rain stop you from riding. Your CatEye headlight is approved to work in all weather conditions.