With the floor cleaner FC 4-4, you no longer always have to vacuum before mopping and can remove dry and wet dirt in one step. With the long battery life of up to 30 minutes, surfaces up to 90m² can be cleaned effortlessly. With the included Duo fast charger, charging is possible in just 70 minutes. A visual and acoustic signal is used to communicate when the clean water tank needs refilling and the dirty water tank needs emptying. After activation of the device, the two rollers are automatically wetted with the water from the clean water tank. The amount of water can be adjusted to the type of floor using the two cleaning modes. The FC 4-4 cleans even hard-to-reach areas and picks up hairs easily. Direct contact with dirt is avoided thanks to the integrated and hygienic dirty water tank, which can be cleaned after use. The FC 4-4 stands alone and can be conveniently stored thanks to the removable handle. The 4V Kärcher Battery Power batteries can be used with all 4V Kärcher Battery Power devices. Version including 2 replaceable 4V batteries and a duo quick charger.