The Shrk ION Robot is designed with a Tri-Brush System, combining side brushes, channel brushes, and a multi-surface brushroll to handle debris on all surfaces, corners, and edges. Use the ShrkClean app or voice control with Alexa or Google Assistant to start cleaning from anywhere. Three brush types, one powerful clean: Tri-Brush System combines side brushes, channel brushes, and a multi-surface brushroll to handle debris on all surfaces. Completely integrated in your home: Shark ION Robot senses ledges and stairs, avoids damaging furniture and walls, and maneuvers around potential stuck situations, truly knowing your home.