20V of voltage >9 KPa is the vacuum pressure (KPa). 0.8L is the capacity. 120W of power Volts of charge: 110V–240V at 50/60Hz Charge Time: 1.2 Hours; Operating Time: >35 Minutes Working Time at Low Speed: >18 minutes Elevated Velocity Level Features: HEPA filter, pure copper wire motor, and multiple cyclone Included: One charger per unit One 20V 2.0Ah Li-Ion battery One Metal Extension Tube One floor brush One Nozzle One HEPA filter, please