Koolvac KV-1 Robotic Vacuum Robotic vacuum cleaner; just program room size and press start button; automatically shuts off when done Cleans hardwood, linoleum, tile, concrete, and other hard surfaces, as well as low-pile carpets Compact design; fits into narrow spaces; side brushes for hard-to-reach spots; easy to empty Sensors detect obstacles like walls; won't go over stairs; shuts off automatically when lifted Includes: battery charger, removable battery pack, 2 replacement filters, and manual; has 90-day warranty and 30-day money-back guarantee