Deger apex locator. Characteristics: - Accurate and reliable. - Automatic calibration. - Suitable for all kinds of complex root canals. Not affected by blood and residual pulp. - Beep to identify location. Different beeps depend on the position of the root tip. Specifications: - Oled display, clear and simple. - 1500 mAh large capacity battery. - Power saving mode. - Automatic shutdown without operation for 5 minutes.