... tooth whitener,which oxide the tooth stains on both the tooth surface and deep inside the dentin to achieve the effect of teeth whitening ... curing ligh,1-30minutes as a whitening acceleratorl 6 light intensities,suitable for more brands tooth whitening gell LCD module screen shows all ... , 8m, 10m, 15m, 20m, 30mPacking dimension 117cm*67cm*15cm TEETH WHITENING BLEACHING LED ACCELERATOR DENTAL ARM