The Makita DVC861LZ/2 is a corded & cordless vacuum powered by AC & two 18V Li-ion batteries in series. It is of Class L variety which means it removes 99.0% of dust with limit value for occupational exposure >1.0mg/m 3. This dry type dust extractor offers variable suction power by dial & is operable by both AC & DC, though AC takes priority if both are connected. It has a HEPA filter with high filtration capacity for clean exhaust air. It has double insulation & other design features include; a large On/ Off switch, dual battery fuel gauge, battery cover & AC pilot lamp. The design also features a removable storage box & removable 5.0m power supply cord. For safe usage, the DVC861LZ/2 has a large bumper which protects walls & furniture from bumps & scratches. There is also a caster stopper that prevents the cleaner from moving unintentionally. Finally, this unit is compatible with commercial plastic bags.