... of light: red , yellow, green, blue, purple,laser Light wavelength:200--900mm PDT Skincare beauty equipment: Photodynamic is cold light , and could not ... wavelength:200--900mmCE certificateWarranty: 1 yearDespite careful testing of our equipment, component or functional failures may occur.BECO grants you a ... from us and we will provide technical support. PDT Skincare beauty equipment