iRobot Roomba i7+ review: smarter than the average robot vacuum - The Verge
Roomba i7 and i7 Plus - Best Buy
iRobot Roomba i7+ Review: This Bot Can Empty Its Own Bin | WIRED
iRobot Roomba i7+ (7550) Robot Vacuum with Automatic Dirt Disposal - Empties Itself for up to 60 days, Wi-Fi Connected, Smart Mapping, Works with Alexa, Ideal for Pet Hair, Carpets, Hard Floors,