5200 Mah Li-ion long-lasting battery power 150 minutes uptime 68 dbA volume 450 ml dust capacity 250 ml water tank capacity 4000 Pa vacuum power 4 – 5 hours charging time Maximum usage area of 120 m² at a time 4 different levels of water flow speed adjustment mode for different surfaces Sweeping speed in 3 different levels: low-standard-high Prevents collision and fall with 27 infrared high-precision sensors Wipe function: 4 different levels of water flow speed adjustment for different floors quiet-light-standard-strong Self-charging feature; The Robert RS 770 returns to the charging unit when the battery level decreases and the cleaning process is finished LIDAR Works according to this record during the cleaning process by saving every corner of your home in memory with navigation system With the Poor Robot Mobile App, you can control the vacuum power and water flow even when you are not at home, edit the map, plan your daily/weekly or hourly cleaning