Zebra GX420d. Maximum resolution: 203 x 203 DPI. Print technology: Direct thermal, Print speed: 152 mm/sec, Maximum print size: 104 x 991 mm. Optional connectivity: Bluetooth, Ethernet, Parallel, Connectivity technology: Wired & Wireless. Internal memory: 8 MB, Flash memory: 4 MB. Width: 171 mm, Depth: 209 mm, Height: 152 mm