General description The AC Voltage Regulator 4000W Speed Controller is designed for electric motors and dimming applications, providing an adjustable voltage range from 10V to 220V. This makes it ideal for low-voltage household appliances, allowing precise control over heating wires and other electronic devices. Technical specifications Power: 4000W Voltage range: 10V to 220V Material: 1.5mm thick aluminum and stainless steel Usage Adjusts speed, brightness, voltage, and temperature of various devices Compatible with electric ovens, water heaters, lamps, and small motors Other information Features a dual capacitance device for surge protection Easy to operate with an adjustable rotary control