Apex locator with patented technology that offers an accuracy rate of 97.5%.* User-friendly, its display screen is large and easy to read. First unit with the ability to work in wet canalsmeasurement is not affected by presence or absence of blood, other discharges, or electrolytes. Action of meter in the display corresponds exactly to the tactile sensation of using a file. Other features include: slim, lightweight file holder, no zero-adjustment, automatic calibration, battery power indication, and automatic power-off function. 1-year warranty.