RovyVon has some lights that have constant red and blinking red leds.
The A8U and the A5R are some of those models, but they have others.
I compared their intensity here:
A5R (left) >>> A8U (right)
They also have the A28W, a bigger light, with bigger battery and more runtime:
https://www.rovyvon.com/collections/hot-sellers/products/a28?variant=31575778918503