What is PDT PDT (Photodynamic Therapy), this new technology is a systemic administration of a photo sensitizer, which a stimulated by photon, chemical and biologic process. PDT can treat a wide range of skin problems successfully without the side effect. The operation is easy and no requirement of clinical professional. Application Red Light Effect Anti-aging, skin rejuvenation, skin tightening and promote collagen, Whiten, skin lifting, Removal all kinds of pigmentation such as freckle, chloasma, aged spots, sunburn etc. Blue Light Effect Acne removal, diminish inflammation, purity skin. Repair the sensitive skin due to the tattoo, the injured skin caused by the laser. Specifications Wavelength: Red light: 650nm±5nm; Blue light: 470nm±5nm Light intensity: Red light ≥ 8000mcd (maximum for single lamp); Blue light ≥ 4000mcd (maximum for single lamp) Total LED lamps: 1575 pcs Input power: 120W Treatment time: 1-99min (adjustable) Environment temperature: 5°C~40°C Relative humidity: ≤80% Power supply: 220v (110v)±10% 50/60Hz Machine dimension: 70*32*120cm( W*D*H) Machine net weight: 31kg Specifications Japanese Nichia imported LEDs; 9 led plates for face, whole body treatment