Ve producer in china adopting the fifth generation circuit in the area of apex locator, based on the multi-frequency closed circuit human body's oral cavity. Free from the conditions of root-canal Dryness or electrolytes, blood or physiological brines will not affect the measuring result The narrow area (apical constriction) of the apex in the following figure of root-canal can be adjusted by the dentists if necessary (range 0-5mm). Autoclavable accessories to avoid cross infection Equipped with self-check circuit to guarantee the accuracy by adjusting the program data beforehand! Compact, stable, ergonomic design for easy handling Colored lcd screen and piezoelectric buzzer: Lithium battery-operated Specifications A. Power voltage: dc7.5v B. Power consumption: below 0.04w C. Current: