Roomba is actually a programmed and automatic vacuum produced by the corporation i.e. iRobot Corporation. This is programmed in the way so that it can easily be used at homes to provide various services in very efficient manner. It has very efficient direction-finding system that permits it to go round the corners and it can also work appropriately if it finds obstacles in its way. Its superb mechanism does not let it fall down stairs and it is not also intended to clean the floor but there are also some other services provided by this magnificent machine. There are so many models of this technology have been emerged till now.

We can categorize all these models into four generations. There is only one model fall into first generation that was improved in its following year but then with the passage of time has been obsolete. Then is second generation Roomba Pro and Roomba Pro Elite were discovered while in third generation there are many models like Roomba red, Roomba Sage, Roomba clean model, Roomba Pink Ribbon etc. The fourth generation is composed of the Dirt Dog and another model 1402 and 4000. The models nowadays we are having the capacity of being recharged by their own.