Features Wide Range Adjustment: Adjust the output voltage of your DC motor from 10V to 210V, with a high continuous current of 10A, and a frequency of 12KHZ, providing versatile control for various applications. Integrated Stop Function: The onboard switch features a stop brake function, and the adjustable potentiometer soft cable can be extended up to 30cm, offering convenient and precise . Stable Circuit Design: The duty cycle is fully adjustable from 0 to 100%, ensuring stable motor without vibration. The controller also includes a power indication feature and is designed for long-term use. High-Quality Components: Utilizes high voltage MOS tube, high voltage high-frequency resistor capacitor, and brake fuse, delivering reliable performance and heat resistance. The standard aluminum and stainless steel shell protects internal circuit and components. Versatile Application: Suitable for various DC brush motor applications such as auto cooling fan, auto air conditioner, exhaust fan, treadmill, as well as dimming DC lamps and controlling DC heaters. Specification: Item Type: DC Motor Speed Regulator Material: Aluminum Alloy, Stainless Steel, Brass Output Voltage: Linear Under Load Continuous Current: 10A Speed Regulation Mode: Potentiometer (Linear) Regulated Voltage: DC 10-210V Maximum Applicable Motor Capacity: 200W Knob Specification: 500K With Switch Wiring Type: Fence Terminal Block Input Voltage: AC 220V Package List: 1 x DC Motor Speed Regulator Package List 1 x DC Motor Speed Regulator