... 2.Safe Fast and Convenient 3.Advanced LED Technology LED white teeth machine with 6 LED tubes 1, Floor Standing Type;2, ... pieces. 4. Wave length: 450-480nm. 5. LED span: 10 thousand hours. 6. Light output: 10, 000mW/cm² . 1Accommodate to ... confined space using. 4Totally 6 blue LED lights,supplying plenitudinous cold light luminescence; 5Advanced operation interface,with great convenience and facility; ...