Unit size 1106x217x270mm Net weight 3.90Kg Rated power 170W Rated voltage 22.2 V Li-ion battery 2200 mAh Working time 30min Suction 10KPa(+10%/-5%) Capacity of clean tank 500ml Capacity of sewage tank 600ml Charging time 3.5~4.5h Motor BLCD Fliteration HEPA filter Handle 538mm Noise ≤80dB