Product Detail The DYMO USB Postage Scale weighs envelopes and packages up to 10lbs with precision and accuracy Sets up in minutes and works with Microsoft Windows XP/Vista (32- or 64-bit) or Mac OS 10.4 or higher. . The "DYMO LabelWriter Twin Turbo - Label printer - B/W - direct thermal - 300 dpi - capacity: 2 rolls - USB" is best product for you. We recommended DYMO LabelWriter Twin Turbo - Label printer - B/W - direct thermal - 300 dpi - capacity: 2 rolls - USB