Description Enjoying years of coffee, salsa, pizza, and other delicious things will bring much staining to your tooth, and the staining is not easy to remove by brushing teeth with toothpaste. This item is a tooth whiten machine and do not need to use brush or toothpaste. LED light-activated technology without paying a fortune at the dentist! Feature Color: White Material: Plastic Package Size: 35x25x15cm/13.8x9.8x5.9inch Broad Spectrum: 420nm ~ 500nm(Host lamps); 395nm ~ 415nm(Vice lamps) Light Output power: Up to 2000 mW/cm Input Voltage: 100-240 V, 50/60 Hz Max Working Radius: 50cm The cool blue light activates the whitening gel and oxidizes the pigment of the teeth through dentin tubes in the short time, discoloring the teeth to sparkling white both externally and internally. High efficiency goose pipe design, you can adjust angle randomly, convenient for use. Digital display with audio feedback, high speed multi-arch teeth whitening system. It works silently and will not do harm to your teeth. Made from quality plastic, it is lightweight and portable and sturdy. Wide operating voltage range allows it to work in most area. Packing List 1 x Teeth Whitening System Dental LED Cool Light Bleaching Machine Accelerator with US Plug