Zebra ZD421 Desktop, Retail, Healthcare, Transportation & Logistic Thermal Transfer Printer - Monochrome - Label/Receipt Print - USB - USB Host - Near Field Communication (NFC) - 10.2 cm (4') LCD Display Screen - Real Time Clock - 108 mm (4.25') Print Width - 102 mm/s Mono - 300 dpi - 57 mm Label Width x 991 mm Label Length - ZPL II, XML, EPL, ZPL Emulation - For PC, Android, iOS