Router speed controller.
It is the electric step-less speed governor for most power tools, lights and also fans

It is an auxiliary speed governor which is fit for multiple electric power tools also lights and much home appliance, Fans. And so on.

It can be suit for the voltage from 220V-240V, 50/60Hz

Power from 100W-1500W. Max current is 8A.

The tools can be achieve the goal for which machine or tools can not adjust the speed or without variable speed.