1. USB charging - The tail light owns built-in rechargeable lithium battery. It can be charged from your computer, power bank or any device through the USB cable we sent in package.

2. 4 light mode options - The tail light features an switch with four different lighting modes depending on your preference, including strong light, slow flash, strobe mode, fast flash.

3. Easy installation - No tools required, you just need to tie the tail light to the bike rear wheel or bracket by the tape. And it is very easy to detach the tail light.

4. Safe riding - The tail light emits an eye-catching 240 degree wide-angle beam that can be seen from blocks away, need not worry about being knocked over by others.

5. Wide using - Hook onto your belt, running gear, reflective vest, backpack, dog collars, harnesses, or anywhere on your clothing. Mount to your bicycle, helmet, skateboard, scooter, stroller,  wheelchair, or anywhere you can imagine