AC Motor Speed Controller 4000W Voltage Regulator Dimmer 230V Working voltage: AC 220V. Maximum power: 4000W (connected ohmic load). Made of high-quality metal material. Protection features include anti-peak, surge protection, and RC absorption. Suitable for various applications such as electric ovens, water heaters, lamps, small motors, irons, and similar devices. Ideal for household use and suitable for industrial environments where installation access may be limited. Input connects to 220V AC power supply. Output connects to electric stove or motor device cables. Adjust speed, voltage, and temperature using the control knob. Specifications: Material: Metal, electronic components Color: As shown in pictures Size: 85 x 55 x 38 mm Note: Due to lighting and screen setting differences, the actual product color may vary slightly from images. Slight dimensional variations may occur due to manual measurement.