Durable construction - Made from high-quality aluminum alloy to resist rust and provide rainproof stability for outdoor use in various weather, ensuring long-term performance. Enhanced safety with lighting - Adjustable strobe modes combined with RGB steady lighting deliver dynamic visibility and reliable signaling to increase night-time visibility. Thumb-activated alert - Clear audible signal for warning pedestrians and vehicles, promoting better road awareness and serving as a proactive safety reminder. Easy installation and use - Ergonomically curved design for broad age accessibility and user-friendliness. - Stable mounting during rides and quick, hassle-free attachment to the handlebar for smooth, burden-free use. Use scenarios - Night commuting and low-light rides: improves visibility for drivers and pedestrians. - Busy urban bike lanes and shared paths: clear signaling helps with safe navigation in crowds. - Weather-exposed rides (rainy or misty conditions): reliable performance and visibility despite the elements.