Is the Rovyvon S21 UI the simplest?

Let me know what you think about this flashlight and of course what you think about the rotating dial for powering on the flashlight. Amazon link to Rovyvon S21: https://amzn.to/3RUTAlU My website: https://f2scustoms.com/ My Instagram:   / fit2survive_   #edc #rovyvon #flashlight