Features:1.High efficiency goose pipe design, adjust angle at random, convenient for use.2.Combination of high power blue LED. High Speed Multi-Arch Teeth Whitening System.3.Adjustable bleaching time with microprocessor-controlled timer presets.4.Small base size design, suitable use in dental clinic.5.High Uniformity of Light Output. High sensitive infrared remote control setting function.6.Enclosed disposable sheath, prevent cross-infection, clean and convenient, let patient feel relieved.