Apex ID is compact and modern with unique functions which allow you to focus on what’s really important; providing the best care for your patients. User-set zero point Customize the "zero point" based on your your initial clinical judgement. No need to constantly monitor the visual display, the audible signal will let you know when you?ve reached your preferred zero point. Accuracy in almost any condition Apex ID has been designed to work in almost any canal condition. Whether dry, wet, bleeding, filled with saline, EDTA, NaOCl, chlorhexidine, the Apex ID can still provide accurate, consistent and dependable readings. Continuous calibration Unlike most apex locators on the market today, Apex ID continuously calibrates for accurate, uninterrupted readings in real-time.