Zebra 105SL Plus 12mm (300dpi) Thermal Transfer Printer, Cutter with Catch Tray - Includes 16MB SDRAM memory, 8MB Flash memory (2MB user available), Serial, USB and Parallel ports, Internal ZebraNet PrintServer 10/100, Internal ZebraNet b/g Wireless Print (radio card included), Movable transmissive and fixed reflactive sensors, ZPL Firmware