This solid, affordable robot vacuum has a large bin and excellent cleaning power. It can be scheduled to clean, but it can’t be controlled with an app. Under the right circumstances, the i4 is a great, relatively inexpensive cleaner. But the first i4 EVO unit we tried in this testing https://automaticvacuumcleaners65319.yomoblog.com/41338536/sobre-automatic-vacuum-cleaners