iRobot Roomba 877 VS. iRobot Roomba 880

3.58 inches in height – low profile design that allows it enter under beds, chairs and furniture and thoroughly clean it.

1000 Pa suction power – this is a good suction power that is able to provide up to 5 times more power to loosen, lift and suction dirt from your home environment.

Roomba 877 features patented tangle free brushes – are designed to remove pet hairs from multiple floors without tangling.

Systematically cleans corners and along walls using the edge sweeping brush. This brush contains a 27 degree angle that can reach the deepest of corners and walls removing all debris without much struggle.

60 minutes of running time – this is enough time to clean a small or medium sized room or apartment especially if the debris is not highly concentrated everywhere.

120 minutes

Can clean carpets and hard floors using the Auto Adjust cleaning head. It robotically adapts its height to maintain the multiple brushes in a very close contact with the various floors in your home.

Cleans through large rooms through adapting to your home by making up to 60 decisions per second. Dodges objects on its way as it randomly navigates

Roomba 877 will without a reminder or command from you return to its home base and recharge once cleaning is finished or battery is low.

Features an advanced navigation system that moves the robot from room to room while cleaning around objects and turning away from cliffs.

Cliff detect sensors – detects stairs and objects from a small distance and turns away or cleans around and under objects on its cleaning path.

High efficiency filter system – will trap up to 99% of every allergens, pollen and particles in your home as little as 10 microns. Preferred choice for people with asthma.

Only sweeps floors and carpets

Powerful dirt detector for concentrated cleaning. Identifies areas with a lot of debris levels and then puts more effort and time in cleaning them.

With Roomba 877, all you have to do is just press clean on the robot or set it to clean in a time that is suitable for you and enjoy total hands free cleaning every day.

Can be scheduled to clean up to 7 times in a single week. Choose the time of cleaning and also the modes that you want to use and enjoy coming back to a clean home.

3.58 inches tall – suitable for cleaning beneath most furniture above its height

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Delivers enough Virtual Wall Lighthouse Beacon in up to 2 rooms in your home. Limits this Roomba from entering some areas or rooms.

19.2 x 17 x 6.3 inches

12.1 pounds

• Includes virtual walls • Convenient usage – single click clean button • Automatic adjustable cleaning head • Makes up to 60 seconds per second • 27 angle degree edge sweeping brush • Self charges and returns to home base • Allows scheduled cleanings • Detects areas with high dirt concentration • Anti drop and cliff sensors

• No wet mopping feature • Excludes IR remote control • Wifi and Smartphone app not compatible • No full bin indicator