Electronic labelmaker offers a desktop mailing solution. To print precise postage, the 5 lb. scale instantly delivers the mail piece weight to the stamps software to print correct USPS-approved postage in about one second for First Class, Flat Rate Priority Mail, postcards and International Mail. Also prints perfectly formatted, laser-quality labels for envelopes, packages and more from Microsoft Word, WordPerfect, Outlook, QuickBooks and other software. Thermal printer with 300 dpi never requires ink or toner. Included Address Fixer software automatically corrects addresses against the USPS database. Requirements are either a PC running Windows 2000 or XP with CD drive and USB port, or Mac running OS10.2.8 or higher with CD drive and USB port.