Check the listing for details. Dental Mobile Teeth Whitening Machine LED Light Bleaching Accelerator Cold Lamp.. Condition: New. Listed at 209.58 USD. Product Features: Novel appearance design; ●Unique 5-inch touch screen ; ● High-performance wall-connected sliding structure design, free to adjust the angle, more convenient to use. ● There are four kinds of light source output options: blue light, red light, blue light + red light + purple light, blue light + purple light. ● There are three power output options, users can choose different power according to the patient's situation: 100% high power output 75% medium power output 50% low power output ● Users can choose the required treatment time according to their needs, time adjustment arrange: 1-30 minutes. ●With time working counting function, and equipped with electronic lock, users can use electronic lock to clear working time.