Features: The item is brand-new, unused, unopened with large heat dissipation area for longterm operating. Made of high quality metal and plastic, doublesided board, strong and durable, has a long life span. The whole process of spraying tin ensures good passing performance of large and small currents. Light weight and easy to be operated with one hand, reduce operating fatigue. ,Strict quality control and quality assurance, high safety factor to assurer your mind to use it.. Package Includes: 1X AC Voltage Regulating Module Specifications: Item Type: AC Voltage Regulating Module Material: PCB+Metal Product Model: XH-M270 Input Voltage: AC220v Output Voltage: AC220v Control Current: Maximum 10A Control Range: PWM Control 0~100% Output Power: 2200W Size:Pls See the pictures note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.