Label, mail and file smarter with DYMOÂ® Productivity Software. Prints over 60 label styles in eight categories plus USPSÂ®-approved No-Monthly-Fee DYMO Stampsâ„¢ postage labels. Efficient direct thermal printingâ€”no ink or toner required. "Sleep mode" conserves energy. Label guide feature ensures that each label prints perfectly. 600 x 300 dpi resolution. LabelWriter 450Â® Twin Turbo label printer, DYMO StampsÂ® software and 10-lb USB postage scale work together to weigh mail, then calculate and print the correct USPSÂ® approved postage for First Class, Flat Rate Priority MailÂ® and Express MailÂ®, postcards and International Mail (one ounce). USB-connected compact scale features easy-to-read digital display.