FeaturesAccurate measurement - Utilizing the ratio technique, Root ZX mini provides a highly accurate indication of the file’s location. It utilizes MORITA's industry-leading apex location technology, which has been independently evaluated at a 97.5% accuracy rate. The accuracy of the measurement is not affected by the presence or absence of blood, other discharges, electrolytes, saline, tap water, or hydrogen peroxide.Large LCD color display - The Root ZX mini’s large LCD color display impresses by being so easily readable – with its clear bar and high-contrast image.No Zero adjustment - always immediately ready for useAutomatic calibration - Automatic calibration ensures accuracy and eliminates the effect of changes in temperature, moisture, etc. inside the canal,evenduring the treatment.