led driver dimmer 1.we are factory,can help you design what you need. 2.the delivery time is short. 3.we can accpet the all p Starting from the “Off” position, rotating the knob clockwise will turn on the light and increase its brightness, and rotating the knob counter-clockwise will reduce its brightness and turn off the light when back to the “Off” position. Operates on a 2 wire system, and ...