Welcome to our store! 1. Easy to control: Supports stepless adjustment, the motor controller ensures smooth and stable control of overall speed and operation. 2. Input and output: Designed for 220V AC input and 0~220V AC output, the AC motor speed controller ensures high working efficiency with safety. 3. Wide application: Ideal for adjusting speed, voltage, temperature, lighting, and more, it can be used in fans, tungsten lamps, electric ovens, angle grinders, marble machines, blowers, and more. 4. Working tips: Not suitable for electrical appliances with capacitive circuit boards and electronic components, such as microwave ovens, rice cookers, water pumps, washing machines, energy-saving LED lamps, etc. 5. Quick to Install: Lightweight and compact, the variable motor speed controller is very convenient to install in minutes. Item Type: Motor Speed Controller Model: WF-850 Input Voltage: 220V AC Output Voltage: 0-220V AC Usage: Widely used for speed, voltage, temperature, lighting, etc. control. 1 x Motor Speed Controller Customers are our priority. If you encounter any problems with your product after receiving it, such as damage or an incorrect quantity, please contact us immediately. We strive to provide you with the best after-sales service.