Jan 06, 2013
1, LED life: 50,000hours
2, 4 high-power blue LED
3, with 1 year warranty.
2012 Teeth Whitening Machine HR-100 with CE Technical Specification: Power supply: 220V 50/60HzLED life expectancy: 50,000hours Wavelength: 480nm—520nm Light intensity: 7000MCD Number of...