Posiflex AURA High Speed 3-inch Thermal Receipt Printer (PP-6900U) - Function: 3" Thermal Printer with auto cutter, Resolution: Up to 8 dots/mm and 576 dots/line, Max. Print Speed: Up to 200 mm/sec, Input Buffer: 6KB, Cutter: Auto cutter + manual cutter, Interface: USB (True USB/Virtual COM selectable) + optional Serial, Parallel, LAN or WiFi, Color: Black