MABOTO LED Turn Signal Bike Pack 15L LED Backpack with Direction Indicator USB Rechargeable Safety Light Bag Waterproof Bicycle Backpack Wireless Remote Control Bicycle Bag Sports Vest Ultralight R

4 Led signals, reminding passengers and drivers to keep a distance. Wireless control, mounting it on handle bar, free your hands, and convenient. Waterproof and stop nylon material makes you ride daringly in the raining. Built-in 500mAh rechargeable lithium battery, easy to recharges from your computer or any device with USB port. Adjustable straps to fit your backpack perfectly.