Very accurate apex locator up to 98% . The apex locator connector is located in the contra-angle. Japanese electric motor. Strong power, stable output, long use life. Surface insulation without the need of silicon sleeves. Autoclavable resin contra angle. Specifications : - 2000mAh large capacity battery. - Speed range 100-1000 RBM. - Torque limit 0.4- 5 N.cm. - Flash bar position ( change apical point ). - Preset file systems. - 10 programs. - Adjustable angles of reciprocation. - Auto start , auto stop , auto reverse , apical slow down. - ATR ( automatic torque reverse ) to prevent instrument separation. - Full view OLED screen. - 300 degree rotation angle of contra-angle. - Guarantee period 24 months.