The included Battery Sense indicates state of charge. The Filter Sense illuminates when filters need to be cleaned. Power boost higher suction with the push of a button. Easy to clean, removable 16. 9 oz. dust bin and filters. 2-in-1 removable hand vacuum conventional design. Removable floor head for top to bottom cleaning. Low profile design and clear cover visibility to brush bar. Superior maneuverability with 180 degrees of pivot steering. Brush bar can be detached for simple cleaning