Apex locator is usually used before the endo motor is used. It is used to measure the root canal length to ensure the doctor chooses the right length. The Apex-S can be used with our company’s Endo Motor Elite Pro. After the connection, it can activate more functions of the endo motor. Rogin Apex - S: - Small and cute in design and portable. - High accuracy. - Automatic calibration. - High resolution and big screen. - Perfectly combined with Endo Elite Pro, both length measuring and enlargement. - Large battery capacity. **For further product information, please contact Chat Support**