If press Mode Switch once it turns on(OPERATE) and if press Mode Switch once more it turns off(STOP).

There is built-in Micom inside device and it is automatic controlled by artificial intellectual.

It is turned on (action) state by pressing Mode Switch once and from this time, Laser beam is begun to irradiate, and it turns on and off Laser as 0.5 second intervals for 5 seconds after turning on 2 minutes and 55 seconds according to programmed order. User has to clean teeth and mouth inside until this time and can keep after finish toothbrush washing in flowing water.

This time, Laser is kept continuously turning on state. It

ends automatic after progress 4 minutes sterilization while keeping toothbrush.

This time, device enters to Sleep mode and Battery stands by without consumption.