Recommanded to use on hard floors. Tangle-free, powerful suction picks up hair, debris and dirt easily and efficiently. Perfect for households with pets. Long-lasting battery provides up to 110 minutes of cleaning time, free up your time to enjoy your day. With high efficiency filtration system which reduces airborne contributors associated with allergies and asthma. Smart, infrared sensors equipped to avoid stairs and furniture. This makes the robot work between different types of floor, climbs inclines and crosses doorsills easily. Standard features include automatic charging and daily scheduling. Bundles with a limited 1-year manufacturer's warranty and extra accessory set.