By the buzzer function is preventable of omission, incomplete screw fastening, thread damage, and being idled during the operation of the fastening work.

Counting function helps you count up to max. 60K units and up to max. 99pcs of screws which need to be fastened per unit.

By the output of the controller terminal can contact to extemal equipment to control electromagnetic valves etc.

Universal power source: It is suitable for power source ranges between 100-240VAC 50/60Hz.

Output stepless control: The electronic technology industry pursues thinness, lightness, shortness and smallness as the main stream in the future; the smaller the screw, the higher locking and tightening is requirements of high precision and low inertia at the same time.