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. CLEAN FROM YOUR PHONE: The SharkClean app lets you start and stop cleaning and schedule your robot to clean whenever you want. EASY VOICE CONTROL: Use Amazon Alexa or Google Assistant to easily make the robot clean at your command in your connected home. UP TO 120-MINUTE RUNTIME: Whole-home, floor-to-carpet cleaning for up to 2 hours.