... Pcs4. Advantage1.Offerrig competetive price and excellent quality as one of the biggest PDT Machine manufacturer in China.2.The ... , with a timer system,6..No UVA, No UVB, No Ultra-Violet, No invasive, there is no downtime and no damage to skin cells, clients ... , intensive penetration, big spot size, and short treatment time applicable for any characteristics of skin,8.Light sources arrayed in matrix ...