Specifications: This controller uses high-quality SCR. And the max current is up to 25A. And solve the over current problem of the heating wire resistance is too small in the case of cooling causing good. The output voltage is adjusted anywhere between 50V-220V for use with electrical appliances. Can use to electric stove, water heater tune thermal, lighting dimmer, small motor speed, electric iron thermostat, and achieve dimming, thermostats, pressure regulator effect. Type: AC Motor Speed Controller Voltage: AC 220V : 2000W Voltage Regulation Range: 50V - 220V AC Max. Output Current: 25A Features: Heat Resistant Material, Practical, Convenient Circuit Board Size: 3.6cm x 4.8cm/1.42" x 1.89" (Approx.) Overall Dimension: 4.8cm x 6cm x 2.8cm/1.89" x 2.36" x 1.10" (Approx.) Notes: Due to the light and screen setting difference, the items color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x AC Motor Speed Controller #Regulator #Speedregulator #Adjustable #Electric #(220V) #Gadget #2000w #Electrical #Voltage #Tool