Review on Bike Tail Light USB Rechargeable - Super Bright LED Rear Bicycle Light Clip On for Enhanced Cycling Safety - 6 Lighting Modes by Dean Pinheiro

I bought this because it looks like CatsEye for $60, I have one of those. Either it's not waterproof or the battery life isn't great. I was driving from Maryland to Massachusetts through a terrible storm. CatsEye still works, but Keywell says it charges but won't turn on. So either water got in or the battery life is short. After this initial review, the seller saw the review and contacted me via email. They offered an apology and either a refund or replacement, which I accepted. Customer service was fantastic. But I suspect that the problem was not with the battery, but with the water resistance. I'll see how it works if I get caught cycling in the rain, but for transport I take it off the bike just to be safe. Excellent customer care.