Specifications: High-quality metal material, not easy to deform, and long service life. Surface paint technology is more attractive and does not rust. Seven blades, stronger suction and increased ventilation pressure. Ultra-quiet copper motor, high power, good cooling effect, fast speed, ultra-quiet. With backflow-proof vent, wind-proof and rain-proof. Suitable for office, living room, bathroom, kitchen, room. Item Name: Ventilator Material: Metal Voltage: 220V Frequency: 50HZ Power: 40W Revolving Speed: 2600 Motor: Pure Copper Motor Air Volume: 1100 Noise: 55db Features: Mute Design, 7 Blades, Durable, Easy to Install, Fan Blower Size: 19.5cm x 19.5cm x 14.5cm/7.68" x 7.68" x 5.71" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Ventilator Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.