Its low cool setting produces just 53dB to reduce noise disruption, ideal on warmer summer nights for a comfortable sleep. POWERFUL DEHUMIDIFYING: High performance technology removes excess moisture to prevent damp, mould and mildew from forming in rooms, closets and wardrobes.The large 1.5L water tray is designed to extract up to 40 litres of unwanted moisture per day, with a self-evaporating system to empty collected water. This item is in fair cosmetic condition and is fully functional. Please see the images for examples of the item that you could receive. All items have been fully tested and cleaned, however will come with minor imperfections such as a dent or a scratch on the item. We respond to all messages.