Zebra ZD421 Desktop, Retail, Healthcare, Transportation & Logistic, Light Manufacturing Thermal Transfer Printer - Monochrome - Label/Receipt Print - USB - USB Host - Near Field Communication (NFC) - US - TAA Compliant - 4" LCD Display Screen - Real Time Clock - 4.09" Print Width - 5.98 in/s Mono - 203 dpi - 2.24" Label Width - 39.02" Label Length - ZPL II, EPL II, XML, ZBI, EPL, ZPL Emulation - For PC, Android, iOS: