Only four left, like brand new!!! Extra Pet Care Accessories: Ecovacs Deebot U2 Pro comes with an extra pet care kit – 800ml large dust bin handles even more pet hair, dust, and debris; Tangle-free, silicone main brush cleans hair without hassle. Boundary Strips for No-GO Zones: Deebot U2 Pro is compatible with boundary strips, so you can set no-go zones like kids' play areas or pet bowls where Deebot will not go and clean. (Free offer: Boundary strips.) Voice and App Control: Whether you are a Google Home or Amazon Echo user, you can link your smart home devices to your robot and command it to start cleaning, like “Alexa, ask Deebot to start cleaning.” 2.5Hrs Run Time: Built-in 3200mAh battery power, Deebot U2 PRO can clean for 150 minutes at on one full battery charge, which is able to clean up to 200 sqm. Systematic Cleaning Pattern: Optimized for hard floor cleaning, DEEBOT U2 PRO can follow an advanced, back-and-forth cleaning pattern for a more thorough and systematic to prevent missed or repeated areas. Auto-Charging: Forget cleaning range anxiety. When running low on charge, Deebot U2 Pro will return to its charging dock automatically. Non-Stop and Drop Cleaning: Deebot can climb over door sills ≤ 0.79in, detect stairs ≥ 0.79in and avoids falling down for non-stop and drop cleaning. Electronic Adjustable Water Tank: Deebot U2 Pro is equipped with the OZMO mopping system and a high capacity 300ml electronic adjustable water tank. You can set different water flow levels for specific cleaning needs.