Features: Humidity function: thanks to the humidity , the bathroom fan automatically activates when room humidity reaches your presets threshold value, and remain in operation until the humidity fall belows this value. In this way, the problem of unpleasant odours and mould formation in room is effectively solved. Timed function: the bathroom fan have a Timers function that is individually adjustable (maximums 30 hours). Installation and operation simple, and maintenance is extremely cost-effective. Quiet operation: the exhaust fan use bearing motor that ensures quiet operation (<34dB) and long service life. The white bathroom fan different decoration styles and creates a comfortable and healthy environment. IPX4 waterproof: kitchen bathroom fan with IPX4 function provide protections against splashing water, increased durability and safety in damp environment such as kitchen. Backflow protections: thanks to the backflow guide plate of the fan, from entering the house is prevented. The backflow ensures that no cold or damp air penetrates from the outside through the switched fan. Suitable for wall mounting. Specifications: Material: metal Size: about 10x15x15cm/3.93x5.9x5.9inch Type: normal/remote(optional) Power: 12W Operating voltages: 220V-240/50Hz Speed: 2400rpm (revolutions per ) Tube diameter: 105-110 mm Noise leveling: 34dB (at a distance of 3 metres) Airflows: 95 Cubics metres per hour Protections class: IPX4 Time control: maximums 30 hours Activation frequency: 60-90% Speed setting: 1 Number of sheets: 7 US Ventilation system: Extractors Fan Product Type: bathroom fan Statics pressure: 50Pa Depth: 90 mm Package Includes: 1xBathroom Exhaust Fan note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.