... -cooled5 10s and 30s as a curing ligh,1-30minutes as a whitening accelerator6 6 light intensities,suitable for more brands tooth ... power: 100-240V AC, 50/60Hz2 Light resource: 6pcs high power LED3 Wavelength: 420nm-490nm4 Light Intensity:6 intensities,maximum >6000 mW ... , 8m, 10m, 15m, 20m, 30mPacking dimension:117cm*67cm*15cm Blue light teeth whitening led ...