Roomba 780 is a premium Roomba offering featuring Dirt Detect Series 2 technology which helps the robot perform concentrated cleaning in the dirtiest areas and ensure the whole floor is thoroughly vacuumed. Roomba 780's state-of-the-art touchpad eliminates buttons and gives you control of the robot at the touch of your fingertips. The full bin indicator lets you know when the dust bin is full and needs to be emptied.