SELF EMPTYING BASE: Comes with a self emptying base that automatically clears the dust bin. WIFI FEATURE: WIFI feature to control the robot through the Shark Clean App or with Alexa or Google. SELF CLEANING: Comes with self cleaning brush rolls that can remove pet hair and long hair as it sweeps. IQ NAV: Powered by IQ NAV, which accurately maps your home. CHARGING: The robot recharges itself and resumes where it left off.