The TSC TX300 4-Inch thermal transfer desktop barcode can be utilized for a wide range of printing applications, including high-volume 4x6 shipping labels, product marking and graphic solutions, as well as labels for electronics marking. The TX300 has a resolution of 300 dpi and print speeds of up to 6 ips. A LED indicator with buttons is standard on the TX300, and connectivity choices include Ethernet, Parallel port, Serial RS-232, and USB.