Professional dental bleaching unit Ergonomic and streamlined design Pre-programmable microprocessor A functional digital display panel gives more control and adjustment over the whitening application, there are three choices of light source (Blue, Blue & red, Red). Four power outputs and adjustable setting time for different preference. High efficiency goose pipe design, adjust angle at random, convenient for use. Smart auto-select power: 100 to 240 Volts AC. 50/60 Hz for global use. High Speed Multi-Arch Teeth Whitening System. Small base size design, suitable use in dental clinic High Uniformity of Light Output High sensitive infrared remote control setting function. Enclosed disposible sheath, prevent cross- infection, clean and convenient, let patient feel relieved.