SwitchBot has annoucned the Floor Cleaning Robot S10 that you can plumb into your water system so it can automatically fill and drain itself.
Hands-on with the SwitchBot S10 robot vacuum mop - The Verge
SwitchBot S10 vacuums, mops, self-cleans, and refills your humidifier
How the revolutionary SwitchBot S10 robot offers 100% hands-free and stress-free floor cleaning - Yanko Design
SwitchBot's new robot vacuum can mop for days with endless access to water
SwitchBot Floor Cleaning Robot S10, World-1st Dual Station Design
SwitchBot has a new robot vacuum mop that hooks into your plumbing - The Verge
SwitchBot S10 Robot Cleaner Auto-Refills Its Own Mop Water
SwitchBot has a new robot vacuum mop that hooks into your plumbing - The Verge
SwitchBot S10 cleaning mop/vacuum never needs manual refilling
SwitchBot Robot Floor Cleaner S10 Robot Mop and Vacuum – SwitchBot International
SwitchBot Robot Floor Cleaner S10 Robot Mop and Vacuum – SwitchBot International