Amazon.com - iRobot Roomba 981 Robot Vacuum-Wi-Fi Connected Mapping, Compatible with Alexa, Ideal for Pet Hair, Carpets, Hard Floors, Power Boost Technology, Black (Renewed) -
Refurbished: iRobot Roomba 850 Robotic Vacuum with Scheduling Feature, Remote and Docking Station (Certified Refurbished) - Newegg.com