Double Your Label Printing Efficiency The DYMO LabelWriter 450 Twin Turbo label printer holds two label rolls, so you can print labels and postage even faster without stopping to change rolls. The two separate rolls of labels are always ready, printing 4-line standard address labels at a speedy 71 labels per minute. As versatile as it is fast, the DYMO label printer also prints postage. Connecting directly to your PC or Mac, it's easy to print customised graphics, barcodes, address labels and more. * Two separate rolls of labels always ready * Thermal printing technology cuts costs - no ink or toner needed * Create customised labels directly from your PC or Mac with DYMO Label software * System Requirements for DYMO Label Software: Windows 7 or later, Mac OS V10.10 or later