Ensures fresh, clean air. The energy-saving fan with humidity sensor and timer allows precise settings and avoids unnecessary operation. The built-in check valve prevents outside air from entering. Features The extractor fan is quick to install, easy to clean and also suitable for installation in windows. Tracking time (1-30 minutes) and humidity sensor (60-90%) can be adjusted using the appropriate adjustment screw in the switch box. Suitable for all common round ventilation ducts and pipes The versatile exhaust fans are ideal for all rooms with high humidity. Cover keeps dirty fan openings from view. Perfect for hobbyists and professionals alike. Easy to install by one person with standard tools, ideal for modern homes. The wall fan removes odors, humidity, grease, dust and other particles from the room. We are here for you. If you have any questions or complaints, please contact our customer service directly. Your request will be processed immediately. Product Details: Aluminium, weather and UV resistant (no yellowing), IPX2 splash protection, power consumption 12W, volume 34dB. Product specifications: Size: 160*160*89mm Colour: Silver(round) Voltage: 220V-50Hz Rated power: 12W Package Content: 1x Fan