Zebra ZD621R, 12 dots/mm (300 dpi), disp. (colour), RTC, RFID, USB, USB Host, RS232, BT, Ethernet, Wi-Fi, greylabel printer, desktop printer, thermal transfer, resolution: 12 dots mm (300 dpi), media width (max.): 118 mm, print width (max.): 108 mm, roll diameter (max.): 127mm, speed (max.): 152 mm s, USB, USB Host, RS232, Bluetooth, Ethernet, Wi Fi (802. 11ac), RAM: 256 MB, Flash: 512 MB, display (touch screen, colour), real time clock, Black Mark Sensor, Gap Sensor, RFID (UHF, writer), incl.: cable (USB), power supply unit, power cable (EU, UK), colour: