1-Preset speed mode(high-mid-low speed).

2-Agentle,pulsed stimulus begins to increase at a rate specifically designed for patient comfort.

3-lf the patientindicates perception,simly release the button.the stimulus stops immediately,but the numbers remainfrozen on the screen for about 3 minutes.

4-Specifically designed for patient comfort.

5-Convenient to operate.

6-Maximum stimulus–80.between 0-40,the patient feels ache and anesthesia,alive teeth nerve.

7-Between 40-80,with above-mentioned reaction,part of teeth nerve dead;80,no above-mentioned reaction,dead teeth nerve.

8-The device turns itself off in three minutes after operation(No wasted batteries).