Features: brand new and high quality Comfortable rotary button, stepless speed control icon is simple and easy to understand. High-quality flame-retardant PC material, high temperature resistance, easy to clean and not deformed. Applicable to the installation and replacement of most brands of ceiling fan electric fan governor. Simple, fashionable and versatile, suitable for a variety of decoration styles. After fixing, the frame has strong compression resistance, good stability and is not easy to deform. Specifications: Material: Plastic+Metal Weight: 80g Size: 8.6x8.6cm/3.39x3.39inch Color: White/Gold/Gray/Black Speed Regulation Power: 15W-400W Working Voltage: 180V-220V Package Includes: 1x Speed Adjuster note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.