With a tangle-free pet hair care technology focuses on picking up hairs dirt debris on hard floors Low profile design to clean under beds furniture where dirt hides. Ideal for hardwood tile laminate or stone. Self-charging programmable schedule smart sensors for anti-bump and anti-fall. Runtime 90-100 mins Easy operation with remote control or one touch auto clean button on robot. Tip: Easy maintenance empty dustbin and clean the filter after each use. Replace filter every month. A 12-month and U.