The most efficient solution for your professional labeling, filing & mailing needs, the LabelWriter 450 saves you time & money at the office. Connect a LabelWriter 450 to your PC or Mac & you're ready to print labels directly from Microsoft Word or Outlook, QuickBooks, CardScan, Mac Address Book & other popular programs. Print impressive address, file folder labels, name badges & more without the extra work & hassle of printing sheet labels on a standard desktop printer. Thermal printing technology eliminates the cost of ink or toner & the printer's compact design makes it an easy & attractive addition to any modern workspace. Compatible with Windows 7 or later & Mac OS X v10.8 or later. LabelWriter 450 Twin Turbo-Holds two label rolls at once to maximize efficiency. Label Maker Type: Printer; Prints Barcodes: Yes; Prints Postage: Yes; Power Source(s): AC Adapter (Included).