ITEM: OD-ZW140A Power: 1000W-1400W Capacity of dust bag: 4L Cord length: 5m The floor brush and the extension tube are made of stainless steel ITEM: OD-ZW140B Power: 1000W-1200W Capacity of dust bag: 4.5L Cord length: 5m The floor brush and the extension tube are made of stainless steel