Welcome to our shop! The variable fan speed controller is perfect for controlling the speed of high-speed inline fans and mini blowers. It is lightweight, practical, and environmentally friendly, making it easy to use. The motor speed controller is equipped with a built-in grounded control outlet and a metal clamp at the back. Its high practicality allows it to be widely used in adjusting the speed of fans, routers, and more. The variable fan speed controller comes with a 1-meter (3.3ft) or 2-meter (6.6ft) cable size option. It is made of engineering plastic and is designed to adjust the speed of fans, routers, and other devices. The output voltage is AC120V, with a maximum current of 15A and a power of 1800W. The leakage line length is 0.85M. 100% Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We try our best to provide you with satisfactory after-sales service.