The patented heavy-duty pump system means that you never have to empty a bucket again. The system automatically removes moisture from the collection tank. Just attach the 16-foot hose (included), and the unit can even be drained upward through a window. With soft-touch controls and a large LCD display, the functions are easy to set and read. The electronic humidistat and fan speed functions allow you to easily set your desired level of comfort. The DE400P is ideal for basement use, as it is designed to function at temperatures as low as 44°F.