M18 Battery Adapter Variable , Fan , 110-120V 15A Max AC Speed Controller Sturdy Shell: The controller adopts a sturdy galvanized iron shell, which is not easy to be deformed or damaged, protects the internal parts from being damaged. Variable Speed Controller, 110‑240V 18A Stepless Adjustment Fan Motor SCR Voltage Regulator Motor Speed Control Thermostat Governor Dimmer (US Plug) : Industrial & Scientific About this item High Power: Variable speed controller has a maximum of about 3,000 W of power for induction loads such as fans and routers, and the resistance load limit of 4,000 W for furnaces and heating... Package List 1 x Variable Speed Controller Note 1., Warning, not suitable for intelligent appliances with complex circuit boards., 2., Note that 1500W is the maximum power when working under ohmic load. Specification Item Type: Variable Speed Controller Shell Material: Galvanized Iron Shell Model: CCMTKAC 4000 Input Voltage: 110-240V Plug: US plug Size: Approx., 130x85x53mm/5., 1x3., 3x2., 1in Rated Current: 9A (limit current 18A) Output Voltage: AC10-120V (the lowest adjustable voltage is related to the load). High Power: The maximum power for connecting inductive loads (such as fans and routers) is about 1500W, and the limit power for connecting resistive loads (such as electric furnaces and heating wires) is 1500W. Input and Output Voltage: Compatible with 120V or 220V power input, with a maximum current of 18A, the output voltage is 0 to 120V when 120V is input, and 0 to 220V when 220V is input, the output voltage is continuously adjustable. Easy to Install: The variable speed controller has holes on the back, which is convenient for easy installation and fixation. PWM AC 220V 240V 4000W 18A... 0-10V SCR Voltage Regulator AC 110-220V Motor Speed Controller Thermostat Dimmer How to Use Use directly.