Powerful suction across all floor types. Self-rights when toppled and hygienically ejects the dirt. 2 Tier Radial™ cyclones help remove more dirt, dust and allergens. Self-righting technology -gets back up when toppled. Ball™ technology steers easily around obstacles and follows without the awkward moves. Hygienically ejects the dirt. Dual mode floor tool removes dust and dirt from all floor types.