• Cov khoom siv scaler yog siv los ua hauv chav kho hniav.Ob lub zog thiab dej yog muab los ntawm chav kho hniav.Hniav chav tsev ko taw pedal tswj lub scaler ua hauj lwm los yog tsis, nyob rau hauv tib txoj kev raws li high-ceev handpiece. • Ntau thiab ntau tus kws kho mob zoo li Built-in Scaler Led.