1. This is a set of cycling accessory kits specially designed for mountain bikes, including a front light and a rear light. 2. The front light features a design with four LEDs, offering good lighting effects. During cycling, it can illuminate the road ahead. Even in low - light environments, it allows you to clearly see the road conditions, thus ensuring cycling safety. 3. Both the front and rear lights in the kit support USB charging, eliminating the hassle of traditional battery replacement. This more convenient charging method enables them to stay fully charged at all times, providing continuous and stable lighting and warning functions for your cycling. 4. The rear light plays a significant warning role. When cycling, it can effectively alert vehicles and pedestrians behind, reducing potential risks and improving cycling safety. 5. Its overall design combines practicality and aesthetics. The simple and fashionable appearance matches perfectly with mountain bikes. It is not only a practical cycling accessory but also adds unique charm to the bike. Whether you are going for daily rides or long - distance adventures, this bicycle front and rear light kit is a good choice to help you enjoy a safe and wonderful cycling journey.