Mova E30 Pro

It does not self-empty, so you empty the large 700 mL onboard bin by hand and rinse the mop and refill water yourself.

The robot is 3.8 inches tall, so it slides under most sofas and cabinets, though very low furniture may be tight.

It clears obstacles up to 20 mm, so it handles standard door sills but may stop at taller thresholds.

Yes. It supports no-go zones and stores multi-level maps, so you can fence off rooms across floors.