The application of fluid analysis techniques has resulted in a high efficiency design that generates the high power that's the source of the powerful suction. The unit can hold a 5 liters of dust in a washable dust cloth filter. This enables you to vacuum the house from corner to corner while reducing the frequency of dust disposal. The indicator turns on when the dust container is full to prevent overflowing. Blows away sand and light dust particles with a powerful air flow to clean places such as entrances, hallway and balcony. The brush lets you clean even surfaces such as bookshelves and fragile areas. The nozzle lets you clean hard to reach spaces such as crevices in fabrics. The suction head can be easily adjusted in two ways for different surfaces such as tiles, wood floor, rugs and big carpets.