High Capacity & Compatibility: This 10000W variable speed controller supports both 120V and 220V inputs, offering adjustable output voltage up to 220V with a robust 22A current. It's designed to handle significant power requirements efficiently. Constructed for Durability: Made with top-quality materials, including imported SCR chips and high-voltage capacitors, this controller ensures reliability and longevity, even under high temperature conditions, making it a dependable choice for various applications. User-Friendly Interface: Equipped with a straightforward control knob, a digital display for precise voltage readings, and icons clearly indicating temperature, light, speed, and voltage settings, this device simplifies operation without compromising functionality. Usage Guidelines: Specifically not suitable for smart appliances with complex circuit boards. For inductive loads like fans, the maximum is 4500W (recommended 3800W), and for resistive loads like stoves, the maximum is 8000W (recommended 4500W). Avoid using with full-load devices. Versatile Utility: Perfect for a wide range of applications, this speed controller is ideal for adjusting the performance of electric fans, stoves, water heaters, and various power tools, enhancing flexibility and control in both household and industrial settings. Voltage: 110V-220V Plug Type: EU Plug Plug Type: US Plug Color: Black Material: Plastic Package Contents: 1 x Voltage Regulator Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The measurement allowed error is +/- 1-3cm.