Strong Ventilation: Upgrade fully closed pure copper motor (speed up to 2800r/min) offers fast fume suction, ventilation, keeping the indoor air fresh and comfortable. Thickened Blades: Seven thickened blades deliver more powerful and uniform air volume, not easy to deform. It runs stably and vibration-free, ensuring large air volume while reducing noise. High Quality: The metal shell with ceramic paint surface is corrosion resistant, dirt resistant, oil resistant, and provides excellent strength and durability. Wide Application: Easy to install, suitable for kitchen, toilet, office, meeting room, restaurant, supermarket, cinema, Internet cafe, workshop, waiting hall, etc. Voltage:110V Standard:US Standard Frequency:50Hz Power:120W Standard Air Volume:3000m³/h Size:12Inch Colour:Black Material:Copper Motor+metal shell Package Contents: 1 x Fuel Pump Control Module 1 x Instructions in Chinese and English