With a high brightness bead design, this bicycle tail light makes it safer for night riding. In addition, the waterproof design is not easily damaged by rain, making it highly practical. Using the gravity-sensing principle, this bicycle steering car, light up the prompt quickly and agile, the lights are universal models, suitable for a variety of models, for safe riding escort. It is constructed of plastic material. The length of this bicycle light is 7.7cm, the width is 3.6cm and the height is 2.4cm. It is suitable for bike. Item Name: Bicycle Light Material: Plastic Features: USB Charging, High Brightness, Waterproof Usage Scenarios: Bike Battery Capacity: 200 mAh Size Details: Size: 7.7cm x 3.6cm x 2.4cm/3.03" x 1.42" x 0.94"(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 Light