Character 1. The specifically wavelength and high density light speed catalyze whitening gel. 2. 6 powerful LED tubes emit a high intensive cold blue light with an output at 6000 MW/CM2. 3. Special design, innocuous silica gel muzzle, make sure stopping intersectional infection. 4. The new model of power supply make sure steady power output and long-time continuous working even in some cities and places with mutative voltage. 5. Time display could shows treatment time to help dentist master treating time and progress and reduce the waiting time of patient. L1800XW1280XH850(mm), 245KG