Bike Tail Light Ultra Bright USB Rechargeable Brightness Adjustable Bicycle Taillight for Bike Helmet Backpack(Red & White Light)

Features:
Super bright 100 lumens COB tail light, as bright as the car headlight, ensuring your riding safety at night.
Multiple flashing modes, fast flashing, slow flashing, full brightness, half brightness. Brightness adjustable.
The silicone mounting buckle has been strictly tested, strong and durable enough to fix tightly at the bike body, your helmet and backpack. Silicone material do not hurt your bike.
Adopts ultrasonic welding technology, high-intensity shockproof light cover, IPX4 waterproof rate, no fear of rains and storms, protecting your safety at harsh environments.
Can be adjust at 120 degree directions, easy to install and remove within seconds. One-button easy operation.
It will automatically power off while fully charged, protecting the light from damage.
Built-in 3.7V 500MAH large capacity rechargeable lithium battery, it only needs about 2 hours to be fully charged and can be used up to about six hours.
You can charge it on computer, using an adapter or power bank. Can be used on your bike, helmet or backpack etc.