Citizen CT-S2000. Maximum resolution: 203 x 203 DPI. Print speed: 3120 lpm, Print speed: 220 mm/sec. Interface: USB, Connectivity technology: Wired. Internal memory: 0.375 MB, Buffer size: 4 KB. Weight: 2 kg, Dimensions (WxDxH): 147 x 207 x 147 mm