Question aspiration, this robot does the job well, however it is to be avoided if you have dark lacquered furniture as lasers it can not properly capture the surface of the furniture and so the robot not give bad shot all along the surface and scratch the furniture and more so if your kitchen is painted black like mine, go your way, or opt for a robot with another tracking system. On the other hand I have sent my Neato SAV after 3 days as the LCD of the latter no longer showed anything and menus to give it orders were no longer accessible, and had the ca 'appears to be a recurring problem on Neato. It is nonetheless unfortunate because the craft had still look great effective at the spot. Amazon against me by a proposed replacement but I did not want to renew the experience and have therefore asked for a refund. So thank you to Amazon, which has a customer service still pro.