Product Review

Keywell bike tail light support your ambition. Any Where, anytime!
✔Super bright bicycle taillight- Powered by super bright 100 lumen output COB LED make you are visible on a busy street during the brightest days, and on a dark country road on the darkest of nights.
✔wide-beamed RED light which is 180 degree visibility.
✔USB rechargeable 500 Ahm battery inside, Automatic over charge protection system to keep the charging much safer.
✔Fast charge and Long time running! Less than 2 hours= 4-12 hours safety and fun!
✔Not Only a bicycle taillight-Also can be used as Bicycle Helmet Light, Mountain Bike Rear Light, Road Bicycle Tail Lights, Kid's Bike Safety Light and More.

6 Lighting modes rear bike light to keep you safe in the daytime commute or your nighttime adventures:
Steady Low( up to 6 hours)
Steady Medium (up to 5 hours)
Steady High( up to 4 hours)
Flashing Slow (up to 12 hours)
Flashing Fast (up to 5.5 hours)
Fast-Slow Strobe (up to 12 hours)

Simple to mount in seconds without tool:
Step 1: Unpack your bike taillight set.
Step 2: Mount the rear light with the rubber bands very simply to your bike frame, fork, seat post, handlebar, saddle bar, seat stay, bracket, rims or helmet.
Step 3:Choose the lighting mode that's right for you.
Step 4: Enjoy 4 - 12 hours safety riding.
Step 5: Want to use it somewhere else? Simply un clip and move to the next location.
Step 6:Low battery? Find the nearest device with a USB port (laptops, computers or your cell phone plugis ideal) and plug it in for 2 hours or less full charge

Amazing Value-What will you get in such completive price?
1 Bike Tail Light
1 Micro USB Charger Cable
1 Silicone Mounts
8 Mounting Rings,4 Sizes (2each)
1 Carry Pouch
1 User Manual