?High Quality?High efficiency goose pipe design, adjust angle at random,convenient for use. ?Easy to Use?Enclosed disposable sheath, prevent cross-infection, clean and convenient, let patient feel relieved. Simple, light and handy molding design. ?Globe Use?Smart auto-select power: 100 to 240 Vots, AC 50/60 Hz for globle use. ?Dental Teeth Whitening Light?Denatl Teeth Whitening Machine is a cooling light device could emit specific wavelength, the light irradiate a special whitening agent which is applied on the surface of the teeth so that teeth become whitening. ?Angle Can be Adjust?High efficiency wall conjoined sliding structural design, adjust angle freely and convenient to use. A multi-functional high-sensitivity touch electronic display with audio feedback, easy operation.