Features: and high quality Comfortable rotary button with stepless speed control; icon is simple and easy to understand Made of high-quality flame-retardant PC material, resistant to high temperatures, easy to clean and does not deform Compatible with most brands of ceiling fan electric fan governors for installation and replacement Simple, stylish, and versatile design suitable for various decoration styles Frame offers strong compression resistance, good stability, and is not easily deformed after installation Package Includes: 1 x Speed Adjuster Specifications: Material: Plastic + Metal Weight: 80g Size: 8.6 x 8.6cm / 3.39 x 3.39 inches Color: White / Gold / Gray / Black Speed Regulation Power: 15W - 400W Working Voltage: 180V - 220V Note: 1. Please allow 1-2cm errors due to manual measurement; ensure you are comfortable with this before ordering. 2. Due to differences between monitor displays, the actual color of the item may vary from the picture.