Endodontic treatment and apex locator;<br> 1. Original Switzerland electro-motor;<br> 2. Color wide LCD screen;<br> 3. Drive-1:1 contra angle is available;<br> 4. Rotation speed and torque can be programmed to 9 settings;<br> 5. Auto torque reverse;<br> 6. Dual-frequency apex locator;<br> 7. 4 working modes;<br> M1:apex locator;<br> M2:Endodontic treatment;<br> M3:Reciprocating rotate head;<br> M4:Apex locator & endodontic treatment.