... ,maintain convenience @low noise and have no waste gas Pure Green Health Products -Electric SweeperFEATURES:1,The series HK is ... can reach to 100%.4,Round type dust box, pure empty dust box convenience.5,The high performance 200Ah doesn ... Main brush length mm 700 700 700 Power supplyDC/V 36 36 36 Continuous work time h 8 7 ... 5 5 Weight without kg 550 580 610 Pure Green Health Products -Electric Sweeper