The Gen 2 CyclonePower 3-stage system enhanced agitation, extraction and suction to delivery thorough clean for your home. Cyclonepower - prevents filter from clogging to maintain powerful suction for a long time Extra long lasting Battery - Up to 160 Mins working time on a single charge over all other robot vacuums, cleaning more areas with less recharging to extend the lifespan of battery. Clean on your schedule - with the smart schedule mode, A6 provides you everyday' s cleaning no matter you at home or not. Available in California