The impressive iRobot Roomba 866 will revolutionise your household cleaning with it's efficient and effective three stage cleaning system. The impressive Roomba 890 will seamlessly navigate around your home at the push of a button, keeping track of it's location and recharging as needed until the job is complete. The iRobot Roomba800 series are the ultimate high performance robot vacuum cleaners and up to 5 times faster the previous Roomba models. Featuring the revolutionary AeroForce three stage cleaning system and is proven to removed more dirt and dust with less maintenance and hassle. Roomba 866 is ideal for allergy sufferers and pet owners, you don't even need to be at home to do the cleaning. Simply set up the schedule and you can go out and then come home to beautifully clean floors. Smart technology The intelligent navigation system uses a full suite of sensors so the Roomba 866 can work it's way around all the nooks and crannies in your home. Optical acoustic sensors detect high concentrations of dirt, dust and pet hair, performing focused cleaning where it's needed most. The compact design and low profile allows the Roomba 866 to clean effectively under most pieces of furniture, reaching the smallest of spaces removing as much dirt and dust as possible. The Cliff-Detection Sensors prevent the Roomba from falling of any drops. Easy to use The clever iRobot HOME app lets you plan you cleaning schedule to your convenience. You have full visibility of the status of your cleaning jobs and you can also select your custom cleaning preference. Your Roomba can be preset to vacuum up to seven times a week. Versatile The Roomba 866 automatically adjusts to clean carpets, hardwood, laminate and tile floors as it navigates through your home. The brush-less extractors prevent any tangles caused by hairs and other debris, meaning it tackles the daily build-up of dirt with ease. Automatic re-charge Your Roomba 866 runs for 2 hours, then automatically recharges and resumes cleaning to complete the entire job to the highest standard.