Features: *IP54 Waterproof Design: Our Bicycle Tail Light features a waterproof design that is perfect for night cycling, allowing you to ride worry-free even in bad weather conditions. *Eye-Catching Flood Warning: Equipped with an eye-catching flood warning, this tail light ensures your safety on the road, making you visible to other riders and drivers. *Long Battery Life: With its powerful 500mAh battery, this tail light provides up to 18 hours of use, allowing you to ride for longer periods without worrying about the battery running out. *Compact and Portable: Designed with a small size, this tail light is lightweight and easy to carry, making it for mountain bikes and road bikes. *USB Rechargeable: Our Bicycle Tail Light can be easily recharged using a USB cable, eliminating the need for disposable batteries and making it convenient for everyday use. Specifications: *Product Name:Bicycle Tail Light *Material:ABS+silica gel+aluminum *Size:38*82MM *Color:as shown in the figure Package Content: 1PCS*Bicycle Tail Light Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.