The DYMO Twin Turbo Desktop Mailing Solution delivers the features and performance you need with a capacity to hold two rolls of labels at the same time, easy to use software and PC/Mac compatibility. Plus the 5-pound, USB connected postal scale that allows for quick, effortless connection to your computer. The DYMO Stamps software will indicate how much postage you need in order to mail. Starter rolls of white address and DYMO Stamps postage labels let you get started right away.