Press the mode 3s to enter the
whitening mode,then it will be flicker,at the same time,the LCD screen show with Minute，the time key can move the time up and down，you can chose the time from 0 min to 30min by yourself，if press the time-key for a long time,the light intensity will be increase by degrees or descending with 20%.

Spec:

1、The power of blue light is stronger than others, so the effect is assured.
2. It’s led light, so it can be used for a long time . the light is cold , so that the teeth is not easy to be hurt.
3. Dentists can use both system(Whitening Accelerator + Curing Light)
4. The design of the machine is convenient for use
5、Wave length: 420-480nm
6、Luminous intensity:800-1800mw/cm

Guarantee:

1.  For the teeth affected by the exogenous coloring matter , such as affected by coffee, sauce, tea etc
2. For mildly Fluorin affected teeth, mildly tetracycline affected teeth
3. For hereditary yellow teeth.
4. yellow or black teeth for unknown Reason.
　Output power:5 W
　Size: Diameter 23×155mm
    Weight:250g
　Working voltage:100-240V A C, 50-60HZ Battery
    Type: Lithium Ion
    Battery capacity: 2200mAh