Versatile: The vacuum can walk in a straight line, climb steadily and automatically avoid obstacles without obstruction. Slim design: Features a slim 6cm body, making it easy for the vacuum to enter and exit narrow gaps. Use time: The vacuum works for up to two hours on one full charge. Robot vacuum cleaner: Get a black or white robot home cleaning vacuum. Automatic: Lie back and let the robot clean and shine your floors itself! Large capacity: With a large capacity dust box, more can be stored at one time which avoids frequent disposal. Robot Vacuum Cleaner | Black | Living Social