Features: Wandschalter offer smooth, speed controllers for ceiling fan, allowing users to adjust airflows from gentle to powerful gusts with a simple rotary knobs. Featuring 120W, 300W, and 500W power, this wall mounted dimmer switches accommodates various fan while ensuring safety with 220V 10A rate sturdy construction. Ideal for homeowners and commercial space seek customizable ventilation solution for living room, bedrooms, or office environment. Designs for seamlessly integration into interiors, this plastic switches operates reliably in residential or light commercial setting requiring fan speed regulation. The ergonomic rotary designs ensures intuitives operations, while its 86 type wall mount fit electrical box for easy installation and long time durability Specifications: Voltages: 220V Current : 10A Power: 120W, 300W, 500W infinites adjustment, 500W five-speed adjustment Materials: Plastic Size: 8.6x8.6cm/3.38x3.38inch Note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Package includes: 1pc Fan Speed Regulator Switches