UV nail lamp

Hi all! I did this UV lamp a few months ago and now I want to share it with you guys. I will try to explain it as clearly as I can. If you dont understand something just feel free to ask me as English is not my main language :)

This project is supposed to be cheap so the entire lamp should cost less than 8$ if you find good offers.

WHAT DO YOU NEED?

- 6x UV high power leds.

I bought that ones 395-400nm and it works fine so there's no need of shorter wavelength because you can hurt y