used works great ....640NM PURE RED LIGHT TECHNICAL AND FUNCTION:

Wave length: 640nm pure red light, the simple, low powered wave is highly efficient when it comes to treating acne. This kind of pure red light can help the cells of the human body to remain in good condition by supplying them with energy.

BIO (TINY ELECTRICITY) FUNCTION:

The tiny electricity supply is similar to BIO currency. It can offer the energy to cells enabling them to diminish inflammation, as well helping to remove wrinkles.