The NBV190 from Numatic International combines classic styling and quality with modern technology, performance and ergonomics. This cordless cleaner, powered by a long lasting, high quality 36V Lithium Polymer battery really is a 'go anywhere' commercial vacuum, ideal for a wide range of medium to heavy duty cleaning tasks around offices, industrial areas, on buses, trains, planes or anywhere else. With no wires to restrict movement and featuring a handy top mounted handle, this lightweight vac can be used pretty much anywhere and is perfect for use on stairs and other difficult areas.