Zebra ZD621 Desktop Monochrome (Black And White) Direct Thermal Printer

5 status icon, 3 button user interface Media dancer for excellent print quality Dual-wall frame construction OpenACCESS for easy media loading Ethernet, Serial, USB 2.0, USB Host Print methods: Thermal Transfer or Direct Thermal ZPL and EPL programming languages Real Time Clock (RTC) Printer setup mobile app for Android & iOS via BLE (Bluetooth Low Energy 5) connection ENERGY STAR certified