Description:

Controller-- connect this device with lamp or home appliance in a series connection, then rotate the knob for dimming, speed, voltage, temperature control.. Motor controller-- applicable appliance: electric furnace, water heater, lamps, small motor, electric iron. etc.. Regulator-- as the power has very big,so the normal home appliances or small factories enough to use.. 4000w voltage regulator-- dear buyer, due to lighting effect, monitor's brightness, manual measurement, etc., there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! thank you!. Dimming regulator-- this pressure regulator with two-way high power silicon controlled, potentiometer have nuts, can use not need add any components, very convenient and practical..