The mask is very beautiful. Even if you do not regularly conduct procedures, it will be useful as an interior decoration (Doll dolls are especially appreciated). Made soundly, not flimsy. The bulbs shine bright. Instruction in English. Control two-button. Left-click menu: E1, E2 or E3. Next, right-click fill settings: -E1 = power (0 to 10), -E2 = color (7 options) -E3 = duration of the session (after how many minutes will turn off). I spent a couple of procedures while the face did not fall off. In the process there is a heat: whether from diodes, or just face under the mask is hot. Eyes from light are more or less protected, you could read the book in the process, but the instruction tells you to keep your eyes closed, otherwise Atata. I hope for a positive effect, I do not regret anything.