Features 1. High brightness assembly line for cycling tail lights, bicycle tail lights, USB charging mountain bikes, road bikes, and cycling equipment. 2. The guiding light for road vehicles is always on, reminding the following vehicles to maintain an effective distance. 3. Details display: Tail light switch replacement mode and switch function, fixed strap, adjustable length, also suitable for large seat tube, bright light body, composed of multiple LED light beads. Rubber gasket, suitable for irregular seat tubes, anti slip design, charging interface, waterproof and dustproof cover design. 4. It can be installed with any type of seat pillar, ensuring that you have confidence to ride both day and night. 5. This taillight adds a touch of elegance to your bike, making it the perfect companion for all cycling adventures. Specification Material: Plastic Color: Red, Blue, Yellow, Green Weight: 55 g Package Include: 1x Tail Light 1x Car Lamp Strap 1x USB Cable 1x Packaging Box