This wired rear taillight is designed for e-bikes without turn signal functionality and mounts securely on top of the rear rack . It provides reliable rear visibility for daily riding and night commutes with a clean, integrated setup. Key Features: Wired design for stable, continuous power supply No turn signal function – taillight only Rear rack–mounted installation (rear rack required) Unified light control : The front light and rear taillight share the same headlight icon/switch The display does not show a separate taillight indicator Wide compatibility : compatible with vtuvia most e-bike models released since late 2022 Not compatible with e-bikes equipped with integrated turn signal systems Ideal For: Urban commuting, everyday riding, and improving nighttime visibility. ?? Before purchasing: Please confirm that your bike does not have turn signal functions and includes a compatible rear rack mounting position.