Zebra ZM600. Print technology: Direct thermal, Print speed: 10 lpm, Print speed: 254 mm/sec. Interface: USB 2.0, IEEE1284, RS-232C, Wireless. Internal memory: 16 MB, Maximum internal memory: 64 MB. Width: 278 mm, Depth: 475 mm, Height: 338 mm. Power requirements: 100-240 VAC, 50-60 Hz