Feature:Please note: other accessories are not included.100% new qualityColor: transparentFunction: photorejuvenationPrinciple: Using the principle of biological stimulation (non-biological destructive), using a fixed wavelength of light to improve skin texture.Red light (wavelength 630nm) anti-wrinkle mode: promote collagen production, whiten spots, rejuvenate skin, anti-wrinkle, repair damaged skin, and smooth fine lines.Blue light (wavelength: 470nm) Acne Eliminator: Inhibit inflammation, effectively remove acne, repair skin without leaving scars and pigments.Green light (wavelength 520nm) balances the skin: effectively neutralizes, balances and calms the skin. It can reduce the secretion of skin oil and balance the skin's moisture and oil.Yellow light (wavelength 520nm) balances the skin: improves the exchange between oxygen cells, replenishes energy for skin cells, decomposes pigments, and improves bad skin. LightHeal acne scars: Combining the effects of red and blue light, it is specially used to repair and treat acne scars.Blue-green promotes metabolism: gradually increases cell energy, which has a better promoting effect on cell metabolism and facial whitening.Laser can tighten sagging skin: it can penetrate the skin, accelerate the metabolism of active tissues, break down stains, and improve sagging skin.Comment:1. Manual measurement tolerance is 2-5g. Please don't mind your replacement.2. Due to the differences between different monitors, the image may not reflect the actual color of the item. thank you very much3. SKU color is product colorPackage Included:1 *Mask1 * USB charging cable