That's the lowest price we've seen and $129 less than buying a similar new 614 model. Buy Now at eBay Tips Sold by Always Deals via eBay Choose between 618 and 620 models. Both models are fairly identical to the more common 614 model, aside from color. It doesn't include a virtual wall, and no warranty info is provided. Features 3-stage cleaning system auto-adjust cleaning head self-charging home base