● With pet hair care technology, focus on picking up hairs, dirt, debris● Low profile design to clean under beds, sofa where dirt hides● Self-charging, programmable schedule, smart sensors for anti-bump, avoid dropping● Ideal for hard wood floor. Easy operation with remote control, or auto clean all at one touch. Maintenance : Empty dust box and clean the filter after each use and replace a new filter every month● With pet hair care technology, focus on picking up hairs, dirt, debris ● Low profile design to clean under beds, sofa where dirt hides ● Self-charging, programmable schedule, smart sensors for anti-bump, avoid dropping ● Ideal for hard wood floor. Easy operation with remote control, or auto clean all at one touch. Maintenance : Empty dust box and clean the filter after each use and replace a new filter every month