I have been using Cygolites for a number of years now and find them durable, dependable, really bright and as a motorist, they are sometimes obnoxiously bright and flashy. You know, the kind of light that no motorist can say they didn't see you.
My current rear light is the Hypershot 350, Bright, red, various flash settings and rechargeable. My current front light is the Dash Pro 600, also rechargeable.
I had a man come up to me at a traffic light recently and asked, "What kind of light is that?". I said a Cygolite. He said, "darn brightest light I've ever seen on a bike. Where'd you get it"?
They are that bright. And, Made in the USA!
https://cygolite.com/