DEEBOT OZMO T8 is the first robot with the cutting-edge TrueDetect 3D technology, which can instantly detect and avoid obstacles. Equipped with brand new TrueMapping technology which can map your home with 4X the accuracy, T8 delivers enhanced and powerful in-depth cleaning without collisions. Vacuum & Mop simultaneously. TrueDetect 3D technology to identify obstacles precisely and avoid instantly. The revolutionary TrueMapping technology maps your home with 2X coverage and 4x accuracy. Long-lasting battery.