A. This bicycle equipment combines multiple functions and is a good safety companion for cycling enthusiasts. It cleverly integrates a front light, a rear light, and a horn to provide all-round protection for cycling. B. The front and rear lights are scientifically designed. They can provide clear and bright illumination in dark or dimly lit environments, allowing cyclists to clearly see the road ahead. At the same time, they also enable vehicles and pedestrians behind to clearly see the cyclist's position, greatly improving cycling safety. C. The horn function is also practical. When you need to alert pedestrians or vehicles in front, pressing the horn can send out a timely warning signal to avoid potential dangers. D. The entire product uses a USB charging method, which is convenient and fast. It eliminates the trouble of traditional battery replacement, allowing you to charge the device anytime and anywhere. Its design not only focuses on functionality but also combines aesthetics. With simple and smooth lines and a delicate and compact appearance, it can perfectly blend with the bicycle. It doesn't add too much burden to the bicycle; instead, it adds a sense of fashion. Whether for daily commuting or outdoor cycling, this multi-functional horn light is your helpful assistant, enabling you to enjoy a safe and wonderful cycling journey.