Features: Comfortable rotary button with simple and intuitive stepless speed control Made of high-quality flame-retardant PC material, resistant to high temperatures, easy to clean and does not deform Compatible with installation and replacement for most ceiling fan speed controllers Simple, stylish, and versatile design suitable for various decor styles Frame offers strong compression resistance, stable performance, and is not easily deformed after installation 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 measurement deviation due to manual measurement. Ensure you are comfortable with this before ordering. 2. Due to differences in monitor displays, the actual item color may vary slightly from the images shown. Package Includes: 1 x Speed Adjuster