I just upgraded to a smart lock with built-in video doorbell camera — and it’s a game changer for my home Roborock’s S8 MaxV Ultra ($1,799.99) is an exceptional vacuum cleaner and a very good mop. Its dual rubber roller brushes and 10,000Pa suction make it great on carpets; its https://www.youtube.com/watch?v=Lhgk6D1ayeM&