Waterproof & Stable Design: Constructed with high-efficiency waterproof materials and a rotating snap-in design for quick installation and removal, making it perfect for all-weather outdoor cycling without worrying about damage. Integrated Headlight & Horn: Combines a powerful LED bike headlight with a high-pitched electric horn, enhancing your visibility and safety during night rides while alerting pedestrians and vehicles effectively. Rechargeable & USB Charging: Equipped with a long-lasting battery and multiple charging options, including USB and power bank functionality, so you can conveniently recharge your light and even charge your mobile phone on the go. Versatile 6-Mode Lighting: Features six adjustable lighting modes including extra-large floodlight and high-brightness bulbs, allowing you to customize brightness and beam style for various riding conditions and terrains. Dual Control & Easy Installation: line control and dual switch operation with light and speaker buttons, allowing independent use of horn and lights; designed for quick disassembly and fits both front and rear bike mounts effortlessly.