The LabelManager™ 420P is a high performance portable labeller with a convenient battery pack, a large backlit display and a user interface with quick access to buttons, fonts and text effects. When connected to a PC or Mac® , DYMO® Label™ software can be used to design labels on the computer screen with barcodes, logos and graphics - or to... print large quantities of labels from text in spreadsheet or database files. Plus, up to 15 frequently used labels can be stored for quick access and efficient printing. Compatible with Windows 8.1 or higher and Mac OS® High Sierra v10.13 or higher. Microsoft and Windows are registered trademarks or trademarks of Microsoft Corporation in the United States and/or other countries. Mac and OS X are registered trademarks of Apple Inc. registered in the U.S. and other countries.