Check the listing for details. Dental Mobile Bleaching Lamp Teeth Whitening Machine Cold LED Light Touch Screen. Condition: New. Listed at 148.74 USD. Mobile Dental Teeth Whitening Led Light Touch Electronic 5-Inch Tooth Bleaching The up-to-date cool light Teeth Whitening Accelerator can convert electric energy into strong blue light. The cool blue light activates the whitening gel and oxidizes the pigment of the teeth through dentin tubes in the shortest time, discoloring the teeth to sparkling white both externally and internally. The 30-minute process ensures an improvement of five to fourteen shades. It is not a dream to make your teeth shine with brightness. Features: * The angle can be adjusted freely and it is more convenient to use. * A versatile, high-sensitivity touch electronic 5-inch display for easy operation. * There are three light source output options: blue, red, blue + red. * There are three power output opti.