Description: This USB bike front rear LED light contains a front light and rear light, easy to install and use. The bike front rear LED light can make your night cycling safer, and the front light can illuminate the road, the taillight is a good alert. The bike front rear lamp is USB rechargeable and waterproof, won't easily be damaged. The bike taillight can be mounted on a seatpost with 12-32mm diameter. The bike headlight can be mounted on a handlebar within 2040mm diameter.