1Plastic Material: This product is made of plastic material, which is durable and not easily damaged, and can be used by users for a long time. 2Easy to Operate: The governor adopts a direct insertion design and does not require wiring operation. The aluminum plate on the back of it has a buckle for easy carrying. It has a knob indicating stepless speed change and is easy to operate. 3Strong Practicality: This fan speed controller adopts electronic control to adjust the working speed, with superior performance. Users only need to use a knob to increase or decrease the fan motor speed. 4Product Performance: Maximum input power of the product is 1500W and maximum input current is 15Amp; It is small in size and light in weight, making it easy to carry and store. 5Widely Used: Fan controllers are suitable for electric tools, woodworking equipment, greenhouse agriculture, fans, routers, automotive industry, and elevator machinery.