Handlebar-mounted thumb-lever alarm designed to improve rider safety with a clear, audible signal and reliable all-weather performance. Key benefits Clear acoustic warning: Thumb-lever actuation produces a loud, distinct signal that increases awareness among pedestrians and vehicles, helping to prevent close calls and improve traffic safety. Robust, weather-resistant construction: Built from a high-quality aluminum alloy with moisture protection to deliver consistent performance in rain, fog, and other challenging conditions. Ready for long rides: Reliable operation combined with fast charging capability ensures the device stays powered on extended bicycle trips and provides continuous support for your route. Easy, ergonomic use: A curved thumb interface allows comfortable, intuitive operation for riders of different ages and abilities without removing hands from the bars. Stable, quick mounting: Secure, quick-fit attachment to the handlebar keeps the unit steady during rides and allows fast installation or removal. Function and performance Audible alarm: Provides a clear, unmistakable sound to alert road users and improve proactive safety while riding. Materials: Durable aluminum alloy housing plus moisture protection for long-term reliability. Power: Fast-charge support for quick turnarounds between rides and dependable operation on longer journeys. Operation: Thumb-lever design for single-handed use and minimal distraction. Practical applications Urban commuting: Use the alarm to warn pedestrians and other cyclists at busy intersections, bike lanes, and shared paths for safer daily travel. Night or low-visibility rides: The clear sound helps other road users notice you when visual cues are reduced. Long-distance touring: Fast charging and dependable function ensure continuous safety support over multi-day or extended routes. What it solves Reduces the risk of collisions or surprises by providing an unmistakable audible warning. Delivers consistent performance in poor weather through durable materials and moisture protection. Keeps riders safer on long trips with reliable power and fast charging. Simplifies operation and installation so riders of varied ages and abilities can use it confidently. Compatibility and fit Designed for handlebar mounting with a quick-install system for secure fixation during rides. Ergonomic controls suitable for a wide range of users without complex setup. A straightforward, durable safety accessory that combines a loud, clear warning signal, weather-resistant construction, fast charging, and ergonomic mounting to make cycling safer and easier.