iRobot® Roomba® i1+ (1552) Wi-Fi Connected Self-Emptying Robot Vacuum, Ideal for Pet Hair, Carpets - Walmart.com
New Roomba i7+ Has Persistent Maps, Selective Room Cleaning, and Automatic Dirt Disposal - IEEE Spectrum
Comparing Roomba models: What you need to know | Digital Trends
Amazon.com: iROBOT Roomba 694 Robot Vacuum-Wi-Fi Connectivity, Personalized Cleaning Recommendations, Works with Alexa, Good for Pet Hair, Carpets, Hard Floors, Self-Charging, Roomba 694 : Video Games