Stimulates collagen production which smoothes fine lines and wrinkles; Reduces pore size, scars, hyperpigmentation and age spot; Increase skin elasticity and improve circulation. | Wavelengths: Red Light (630nm), Blue Light (470nm), and Yellow Light (590nm). | Output Power: 25W - 420 LEDs total - 135 LEDs for red light, 135 LEDs for yellow light and 150 LEDs for blue light. | Foldable: do treatment on whole face and neck; can be used on body. Heigh: 7cm(when it is folded)-45cm(when it is unfolded); Treatment size: 35cm*21cm. | Good quality product, guaranteed strong light and results.