The reason Roomba J7+ has superior navigation tech is the inclusion of a camera at the front along with an LED spotlight, which gives further data for the artificially intelligent hazard detection to work with
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The iRobot™ Roomba® j7 is programmed to terminate dust bunnies without destroying your stuff on the floor
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Roomba Combo j7+ review: Is the 2-in-1 vacuum worth the splurge?
The Roomba j7 robot vacuum with Genius technology is thoughtfully designed with you and your specific needs in mind. It avoids objects in its way, it
iRobot® Roomba® j7 Wi-Fi® Connected Robot Vacuum - Identifies & avoids Obstacles, Works w/Alexa, Ideal for Pet Hair, Carpets + Braava Jet M6 Ultimate
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iRobot® Roomba® j7+