The cheapest robovacs will only have a dock for charging. Pricier models incorporate self-emptying of the onboard dustbin, and draining/refilling of the onboard water tanks. The very fanciest models offer automatic mop pad cleaning, and detergent dispensing for the mopping fluid. A new robot vacuum can be a significant investment, https://top-3-automatic-vacuum-cl32086.snack-blog.com/34679366/pouco-conhecido-fatos-sobre-top-3-automatic-vacuum-cleaners