Are you looking for a professional, yet voltage regulator? Are you in search of a sturdy, trustworthy tool that can do multiple jobs at once? , ! Our professional voltage regulator must meet you needs. It is one of the for you. Features - ColorSilver - Size: 8x6x3.5cm - Material: Silicone and metal - Connect this device with lamp or home appliance in a , then rotate the knob for dimming, speed, voltage, temperature control. - As the power has very big,so the normal home appliances or small factories enough to use. - This pressure regulator with two- power silicon controlled, potentiometer have nuts, can use not need add any components, very convenient and practical. - Applicable Appliance: Electric furnace, water heater, lamps, small motor, electric iron. etc. - 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! Package list: 1 x voltage regulator