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http://www.ebay.com/itm/301977009819
iAdapt Multi-Room Navigation uses a full suite of sensors to navigate and adapt to your changing home
Room to room cleaning in up to 3 rooms with the included Virtual Wall Lighthouse beacons
AeroForce 3-Stage Cleaning System delivers up to 50% more cleaning performance
Tangle-free extractors help prevent hair and debris clogs
AeroForce High-Efficiency Filter traps fine dirt and dust
Worth it? :confused: