No they don’t. A full battery runs at most 1- 1 1/2 hours then needs time to recharge- at least 2 hours. Also they have to be started or programmed to start at a certain time.
Are You Being Served, Keeping Up Appearances, Good Neighbors, Man About the House (i think that’s the correct name). It was what Three’s Company was based on but so much funnier.
I realize that, but Rekam was asking about the real world ones.