ROCKBROS Bicycle Light Waterproof Bike Taillight LED USB Rechargable Safety Back Riding Warning Saddle Rear Lights

Easy to install without tools, small and convenient, carry it with you. IPX4 waterproof, can be used in the rain, to prevent water jets from different directions from entering the interior, but please do not soak in water. The base is easy and quick to install, just one click. 35 high-brightness LED energy-saving lamp beads, the battery life is more durable, and the brightness is brighter. Support up and down 90 degree angle adjustment. It only takes 2-3 hours to charge the USB data cable quickly. Protruding lampshade design to achieve a wider range of light.