GAOMON GB4 is one of our LED light tracing boxes. It is thin and portable. And you may want to know how thick of watercolor paper can GAOMON GB4 LED tracking panel go through?
ANSWER：It’s bright enough to penetrate through 140 lb watercolor paper, simply make sure you are in a dimly lit room.
If this solution failed to help you, please feel free to contact us. We’re always here for you. You can submit your issue from here: GAOMON SUPPORT TEAM.