... popular model for the world;*Intelligent robot cleaner work in your room without any cleaner;*Ultra the body ... more then 70db, it will be not to work. environmental protection, health;*Wireless remotes ,that is ... full, it will leave the charger and keep in dormancy condition;*Changeable operating way ,such as wave, ... after saling:a)you can send one or two technology people to come here ,we will have ...