Karcher Rc4000 Robocleaner Vacuum Cleaner Professional

Designed to run for 3, 6, 9 hours or whole day. After 20-60 minutes of vacuuming (time depends on the amount of dirt, an complexity of the area) it docks, empties the dust bin to the dust bag in the docking station and recharges the battery in about the same time it spent vacuuming. It usese nearly 600W for 30 seconds while the docking station is sucking out the dust from the robot's dust bin. Dimensions of the docking station: 50-25-23 cm (L-W-H).