Features Smart Control: By regulating the voltage, the voltage regulator module enables better control on equipment and device. Stable Output: The output voltage is adjustable between AC 50V‑220V, and the stable output ensures higher efficiency. Practical Use: Allows for application on volt regulation, lighting adjustment, speed control and so on, very practical. Reliable Work: Designed to have 25A maximum current as well as 2000W high power, there is no worry about over current. Easy to Install: Comes with a light weight and a compact size, the installation can be quickly completed in minutes. Specification: Item Type: Voltage Regulator Module Use Voltage: AC 220V Power: 2000W Voltage Regulation: AC 50-220V Maximum Output Current: 25A Specifications: High temperature resistant FR-4 circuit board. Dimension: Approx. 36 x 48mm / 1.42 x 1.89in External Dimension in Knob Direction: Approx. 48 x 60mm / 1.89 x 2.36in Height: Approx. 28mm / 1.1in Thyristor Withstand Voltage: 1200V 25A Operating Ambient Temperature: -20℃-40℃ Material: 1.6mm thick epo-xy copper clad laminate.  Package List:1 x Voltage Regulator Module  Package List 1 x Voltage Regulator Module