Roborock Technology Co. Ltd via Amazon now has the Roborock S6 Pure Robot Vacuum with Multi-Floor Mapping-White[/url] for only $425.99 with code ROBOROCKS6P. Shipping is Free.
Also, there is Roborock H6 Cordless Vacuum with 150AW Strong Power Suction(5 in 1) for $296.99 with code ROBOROCKH6. Shipping is Free.
Comes with 1-year Warranty