Zebra ZD420. Print technology: Thermal transfer, Print speed: 152 mm/sec. Product colour: Black, 4\" Thermal Transfer, 203 dpi, USB, USB Host, BTLE, WLAN (802.11ac), Bluetooth v4.1 If you need a fast 4-inch printer that is easy to use, easy to deploy and easy to manage, choose the leader of the class — the ZD420. A new ribbon cartridge and more status icons maximize uptime by making using the printer easier than ever to use. With virtually every modern wired and wireless connectivity option and support for many printer languages, deployment is always fast and easy — just unplug your existing printer, plug in the ZD420 and you’re back up and running. Add new connectivity and media handling options whenever you need them, right on site. Specifications Interfaces/Ports USB Yes Memory Standard Memory 256 MB Power Description Power Source AC Supply Miscellaneous Platform Supported PC Environmentally Friendly Yes Network & Communication Bluetooth Yes Wireless LAN Yes Media Types & Handling Maximum Roll Diameter 127 mm Media Type Continuous Receipt Black Mark Fanfold Continuous Label