WOTUMEO Bicycle Rear Light USB Rechargeable Waterproof Powerful Super Bright LED Helmet Light Easy Installation 6 Modes Cycling Safety Lights

I guess I was just unlucky but the lights did not work for me. A message to seller and a prompt no quibble refund so can't complain

It says it need changed far more than it does I have had this light for 3 weeks charged it once when I got it use it every night for around 20 minutes a time and it is still not needing charged well worth it

The light itself is sufficiently bright and the different flashing modes offer a wide range of choice. The issue; however, arises when you attach the light to the bike. If you have a road bike, or bike with little suspension, you may find some issues with bumps from the road causing the unit to turn off. I was offered a refund by the company and their customer service was excellent.

Lasted 2 hours max. Commute home after an afternoon of rain, light now has water ingress and won't shut off completely.Checking the build a little closer it's not suitable for the uk. It's not water tight.Ah well you get what you pay for..

These light are super bright and have excellent attachment capabilities. I secured mine via cable ties and on my wife's helmet.

Good battery life. Easy to charge via usb. The rubber securing strap to seat post is sturdy but the clip that the light attaches to does not feel great. I will remove the entire strap from seat post when removing.Light has 4 modes and the brightness is of good quality to be seen when in the bike. Worth the money.

Works well, Very bright and does the job!

Disappointing. Only used on a couple of occasions, both times I got home to see that the light was off. Luckily it was only my back up light, tested it at home to find out that it was turning off after 1-2 mins despite being fully charged.