Our tail light is bright enough to remind the surrounding vehicles and pedestrians. Enhances safety during night riding, making it suitable for cyclists of all levels. Made of high-quality material, our bike rear light is durable, waterproof and weather resistance. Install our rear taillights for added safety and peace of mind during your night travels. As the perfect accessory for outdoor riding, our bike light has multiple lighting modes to choose from. LED lamp bead design for energy-saving and long-lasting performance. Moreover, our high-lumens bike light can withstand extreme weather conditions, like rain, snow, frost and more. This product has a longer lifespan than others. No other complex tools required, our tail light is easy to install and remove. Suitable for folding bike, electric bike, mountain bike and so on. Item Name: Bicycle Taillight Material: Plastic Features: High Brightness, Waterproof, Simple Installation Size Details: L: 11.3cm/4.45", W: 3.5cm/1.38", H: 2.2cm/0.87" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Bicycle Taillight