Features:_x000D_ _x000D_ 1. 2000W speed regulating motor: Input power supply voltage AC 110V-250V, output voltage 50V-250V, fine workmanship, long-term use without rust._x000D_ _x000D_ 2. Adjustable current: The controller adopts a new type of bidirectional high-power thyristor, with a maximum adjustable current of 25A, long life, easy installation and very convenient use._x000D_ _x000D_ 3. Speed regulation function: Ultra-low voltage DC motor speed regulator, with speed regulation function. This product is suitable for self-recovery fuse, which will automatically disconnect when the current is too large, and the fuse will automatically recover after cooling._x000D_ _x000D_ 4. Multi-function: connect this product in series with lamps or circuits, and turn the potentiometer screw to adjust light and shade, speed, voltage and temperature. It is suitable for electric furnace, water heater temperature adjustment, light adjustment, small motor speed adjustment, electric soldering iron thermostat._x000D_ _x000D_ 5. Applicable scene: This device can be connected in series with lamps or household appliances, and is suitable for electric stoves, lamps, small motors, electric irons and other equipment._x000D_ _x000D_ Descriptions:_x000D_ Input power supply voltage AC 110V-250V, output voltage 50V-250V, fine workmanship, long-term use without rust. This device can be connected in series with lamps or household appliances, and is suitable for electric stoves, lamps, small motors, electric irons and other equipment._x000D_ _x000D_ Specification:_x000D_ _x000D_ Material: plastic, metal_x000D_ _x000D_ Size: approx. 5.3 x 4.7 x 2.8 cm_x000D_ _x000D_ Input Voltage: 220V_x000D_ _x000D_ Maximum Power: 2000W_x000D_ _x000D_ Adjustable Voltage: 50-220V AC_x000D_ _x000D_ _x000D_ Package Included:_x000D_ 1 pc *Voltage Regulator _x000D_ _x000D_ Note:_x000D_ _x000D_ 1. Please allow 0-1 inch error due to manual measurement. Thanks for your understanding._x000D_ _x000D_ 2. monitors are not calibrated same, item color displayed in photos may be showing slightly different from real object. _x000D_