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!
✔IPX-3 waterproof rated to protect you even in raining weather!
✔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)
Flashing SOS (up to 6.5 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

Product Features

• SUPER BRIGHT BIKE TAIL LIGHT: It is equipped with 30 bright LEDs which gives extraordinarily wide-beamed RED light,180 degree visibility, Compact, Slim and Lightweight, it’s best choice for the night rider or daylight commuter.
• USB RECHARGEABLE REAR BIKE LIGHT: Powered with a RELIABLE 500 mAh rechargeable lithium battery to support long time lighting with only one single full charge. This bicycle taillight charges on any USB device less than 2 hours, and stays lit 4 to 12 hours safety!
• 6 LIGHTING MODES & WATERPROOF: One touch to select different lighting modes and IPX-3 waterproof to keep you safe in every situation with this bicycle taillight.
• UNIVERSAL FIT & EASY TO INSTALL: This bicycle rear light could be mounted anywhere you want in seconds, such as the seat post, helmet, backpack or anywhere on the frame with the included different size rubber straps without requirement of ANY TOOLS!
• 100% SATISFACTION GUARANTEE & AMAZING VALUE: 2 Years Warranty and 60 Days Money Back Guarantee are promised for our bike rear lamp. You will get 1 x Bike Tail Light, 8 x Rubber Straps, 1 x USB Cable, 1 x User Manual and 1 Carry Pouch. In case of any issues, Please contact us and you get a new one or get your money back.