Three Lighting Modes: Easily switch between steady on, low brightness, and flashing modes with a single button. Dustproof & Waterproof (IP64): Designed to withstand harsh weather conditions like rain and dust. Silicone Shell for Durability: Flexible, elastic silicone shell protects the taillight from damage due to external impacts. Rechargeable Lithium Battery: Equipped with a Type-C charging interface; fully charges in one hour for extended use. Compact & Portable Design: Lightweight and space-saving ghost shape can be attached to the bike seat or other areas, offering a lively and cute appearance.