I didn’t keep my receipt or return in time because i have trusted in shark products for years. But…. This is the absolute worst machine ever perched. It doesn’t mop nor vacuum well at all. Does not clean anything stuck on the floor. It can’t get in to corners. 
I spend more time cleaning the machine out than using it. The self cleaning doesn’t work as promised. Oh and no matter how well it’s cleaned out, it always smells disgusting.