Dental Teeth Whitening Light, Dental Teeth LED Whitening Light Lamp, Teeth Whitening Machine. Effective Whitening: 30W blue light (420-480nm), 12W red light (605-645nm), 4W purple light (375-415nm), and a total of 8 LED light bulbs can accelerate the catalysis of the whitening gel to ensure the whitening effect, and teeth whitening can be upgraded by 3-10 shades.
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