ROBOT CLEANER AND ROBOT CLEANING SYSTEM HAVING THE SAME

The invention relates to a robot cleaner and to a method for operating the robot cleaner. To provide an robot cleaner and a method for operating the robot cleaner allowing an improved cleaning process avoiding any undesired cleaning operation and preferably providing a possibility for an interaction with the user, even if the user has left the apartment or could not manually control the robot cleaner, an robot cleaner (10) is provided, comprising: a main body (210) having a suction port; a travelling device (280) to move the main body (210); a cleaning device or brush assembly (245) installed on the main body (210); a controller (270); a communication unit (222) adapted to transmit cleaning status information to a remote device (600) and to receive cleaning command information from a remote device (300); at least one sensor (180, 190, 195) sensing the floor to be cleaned and providing cleanliness information to the controller (270); wherein the controller (270) is adapted to determine whether to stop cleaning operation or whether to continue the cleaning operation based on the cleanliness information and (or) based on the cleaning command information.