3 ms·Exactly like a big Roomba: do your work, go off to charge itself, come back for more.by andygates 13y agoExactly like a big Roomba: do your work, go off to charge itself, come back for more.fsckin 13y agoA big Roomba with valet service everywhere.ZoF 13y agoAlso; it won't be a vacuum.