This is a Portable Mini Table Vacuum Cleaner to pick up dust, crumbs and small messes fast and easy. The mini vacuum requires two AA batteries that are not included. It is simple to operate. There is a sliding on/off button located on the side. To use, turn on the unit and glide across the surface. The vacuum picks up the little dust, crumbs and small pieces. There’s a twist off bottom that everything accumulates in. To empty, twist off the bottom and dump it out.