J Morita Style Apex-X Dental Endodontic Root Canal USB Apex Locator Endo System
(C) The buzzer will alert when the file is less than 2mm closed to the apex. 2.1 Model: APEX - X. 2.8 Buzzer alert: The buzzer will alert when the file is less than 2mm closed to the apex. 1 Main Device: Apex X.

