ROCKBROS Q1 7-Color Rechargeable Bike Tail Light**Add Color to Every Ride!**Upgrade your cycling setup with the ROCKBROS Q1 Bike Tail Light. Featuring 7-color LED effects, 5 lighting modes and a durable aluminum alloy body, this compact rear light combines practical visibility with a stylish design.### Key Features🌈 7-Color LED Effects Enjoy colorful breathing light effects for a distinctive cycling look.💡 5 Lighting Modes Switch between steady, flashing, alternating and colorful lighting effects to suit different riding conditions.🔋 8–50 Hours Battery Life Built-in 300mAh rechargeable battery. Runtime varies depending on the selected lighting mode.🔌 USB Rechargeable Recharge conveniently without replacing disposable batteries.💧 Waterproof Design Designed to handle wet weather and everyday cycling conditions.🔩 Aluminum Alloy Body Compact, durable construction with a clean, premium look.🚴 Two Mounting Options Install under the saddle or on the seatpost using the compatible mounting brackets.