Question about Dreame L10s Ultra Gen 2

Max.1.5cm. The threshold height can be bridged with a wedge-shaped wooden strip (ramp).
Alternatively, approach the room individually and clean it.
Then carry over the threshold and clean the next room, etc.

Our table has a right-angled edge of approx. 2 cm x 2 cm on each side.
It easily makes it over there