Specialized in a variety of outdoor sports products, including outdoor cycling and more. We pay attention to product quality assurance, concerned about each product details. LED light set mounts quickly onto bicycle handlebars and seat posts. Great for cycling at night or in places where visibility and safety are a concern. Visible to motorists over 1500 feet away. The taillight is angle adjustable and removable from its seat post mount with a clip-on quick-release system. Fits most handlebars and seat posts (rubber sizing shims included). Up to 80 hours! (Batteries not included) 100 percent brand new and high quality.