This new product adopts the U.S.A high techonology which leads to stable performance and accuate measurement. Features:TFTscreen, 3.5-inch LCD color displays.Clear display and vies more.Frequency root canal positioning technlogy, more precise measurement, more accurate.Strong anti-interference function: no matter what the root canal have ,such as residual pulp, blood,pus, physioligical saline, it ...