Four working modes:
M1:Alone root-canal length measuring
M2:Alone root-canal enlargement
M3:Reciprocating rotary motion
M4:Both root-canal length measuring and enlargement Battery:7.2V/150mAh Adapter:~100V-240V 0.8A 50Hz/60Hz Revolving speed:200~600 rpm Torsion:0.6~4.0 N.cm
Buzzer alert:The Buzzer will alert when the file is less than 2mm closed to the apex.