AC Motor Speed Controller 4000W Voltage Regulator Dimmer 230V Working voltage: AC 220V. Maximum power: 4000W (connected ohmic load).Working voltage: AC 220V. Maximum power: 4000W (connected ohmic load). Made of high quality metal material.Protection: Anti-Peak, Surge, RC Absorption (EOC).Made of high quality metal material.Protection: Anti-Peak, Surge, RC Absorption (EOC). Some applications: electric oven, water heater, lamps, small motor, iron, etc.Some applications: electric oven, water heater, lamps, small motor, iron, etc. It is more suitable for families and inconvenient installations of factories and companies.It is more suitable for families and inconvenient installations of factories and companies. The input is connected to 220V AC, the output is connected to the cable of the electric stove or motor devices Working voltage: AC 220V. Maximum power: 4000W (connected ohmic load). Made of high quality metal material.Protection: Anti-Peak, Surge, RC Absorption (EOC). Some applications: electric oven, water heater, lamps, small motor, iron, etc. It is more suitable for families and inconvenient installations of factories and companies. The input is connected to 220V AC, the output is connected to the electric stove cable or motor devices, then turn the speed, voltage and temperature control knob. Specifications: Material: metal, electronic parts. Color: as pictures show. Size: 85x55x38mm Remarks: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimensional differences due to different manual measurements.