Whether you're commuting to work, running errands, or hitting the trails, the Vmax+(TM) 150 Bike Taillight is the perfect accessory to keep you visible and safe. Features: 150 lumens of bright, attention-grabbing light Multiple light modes, including steady and flashing USB rechargeable for hassle-free convenience Water-resistant construction for all-weather performance Easy-to-use mounting system for quick and secure installation