Kemo m156 sensor power controller dimmer kemo m156 p this power controller module is ideal for both resistive loads and motors and can be operated either via a pushbutton or a touch sensor contact p p when the button is pressed it automatically increases the power up and down again approximately every 5 to 9 seconds when the button is released the power level is set and remains at that level if the button is pressed again briefly the power controller turns off pressing again brie