Ebay offers Roborock Q7 Max+ Self-Emptying Robot Vacuum Cleaner - Certified Refurbished for $255.99 (reg. $599.99) after code with free shipping.

Apply Code: STARTFRESH

Product Description:
Automatic Dust Collection, Seven Weekswithout Emptying, 4200Pa High Power Suction, Simultaneous Vacuum andMop, App Controlled Mopping, PreciSense LiDAR Navigation, 3D MappingSupport, Custom Cleaning Routines, ScratchSafe Wheels and Brushes, Workwith Alexa & Google Home, Child Lock, Only support 2.4GHz Wi-Fi.5GHz is not supported.