here is the main review: : the5krunner.com/2023/05/22/bryton-gardia-r300l-review-radar-tail-light/, the video is just an asset for the review. its 3 smart lights bryton vs garmin vs magene.
Depends where you ride. I live in Brazil.. the roads are awful and the drivers far worse 😮This type of device is super helpful especially as I am deaf in one ear. Peace ✌️
