1, must be with infrared scanning modeling, can establish a floor plan, where the sweep at a glance;
2, in fact, the brand does not brand is not so important, mainly depends on the function, the technology of these products foundry mature, many different brands of products are the same set of mold manufacturing;
3, can choose with a certain mopping function to choose to mop the floor, although the mopping will not be cleaner than the manual, but win in the fully automatic work of any complaint;
4, you can choose the automatic dust collection to clean up the dust box, choose with the automatic dust collection function, a month to clean up a lot of trouble;
5, the budget price within $ 450.