Material: ABS Product size about : 3*2cm/1.18*0.79in Product color: As shown in the figure Product features: 1. USB Rechargeable: This bike light is USB-rechargeable, making it easy to operate and environmentally friendly. 2. High Visibility: The tail light and front light in this set are designed to provide high visibility, ensuring safety during night rides and serving as a warning signal to other road users. 3. Easy Installation: Simple and convenient installation, these bike lights can be easily mounted to your mountain bike, improving convenience and accessibility. 4. Night Riding Safety: It has multiple lighting modes, such as constant light, flashing, etc.As they illuminate your road and make you more visible to others on the road, reducing the risk of accidents. 5. Essential Cycling Accessories: These bike lights are essential cycling accessories that enhance your safety and visibility on the road, making them a must-have for any rider venturing out at night. Package includes: 1 pc Bicycle taillight 1 pc Charging Cable 1 pc Fixed rubber ring