● Ground brush: LED lighting & electric rolling brush (rated power 18.5v /10W) ●Filter accessories is washable in unlimited use , without any consumables. ● Detachable battery pack( Lithium battery) ● Motor: high speed dc motor ●Power:22.2v /220W ●Product size:1010*240*202mm ●Vacuum:≥20kpa ●Maximum duration: 20 mins or more Minimum duration: 40 mins or more Continuous charging time: about 3.5 to 4 hours ●Battery capacity: 22.2v /2500 mAh (6 series of 18650 high-efficiency lithium batteries) ●N.W / G.W:2.1KGS/3.2KGS ● 20GP/850pcs, 40GP/1700pcs,40HQ/2020pcs