General description The Bike Tail Light is designed for road night cycling, featuring a smart brake sensor and waterproof capabilities. Its double bracket design allows for versatile installation options, making it suitable for various bicycle types. The aluminum alloy exterior ensures durability while providing a stylish look. With seven colorful light options and five flashing modes, this tail light enhances visibility and safety during night rides. Technical specifications Material: Aluminum alloy Size: 3 x 3.4 x 3.4 cm Battery: Built-in 300mAh lithium polymer battery Charging: USB fast charging Compatibility and accessories Includes: 1 taillight 2 fixed aprons 1 sitting post bracket 1 sitting bow bracket 1 USB data cable Installation Tool-free installation for both sitting bow and seat bar One-button installation for convenience Usage Five different flashing modes for enhanced visibility Real-time power display with four indicator lights Waterproof design suitable for various