Effortless Cleaning: Automatically cleans on scheduled time or starts with one button click. Especially easy maintaness with tangle-free suction port. Pet Hair Specialist: Designed to tackle pet hair on hard floors with the tangle-free suction port and MAX Mode. Virtual Barrier: Create an invisible barrier where you don't want the robot to clean. Slim and Smart: Low profile design to clean under beds and furniture where dirt likes to hide. Smart sensors for anit-bump and anit-fall to protect the robot as well as your furniture. Durable and Quiet: It takes 12 hours to charge for the first time. A 12-month warranty and U.S. customer service team provides you with peace of mind and great service.