[USB White]

[USB Only gray]

[USB Only White]

Citizen CL-S521 Print technology: Direct thermal, Print speed: 150 mm/sec. Connectivity options: Ethernet,Parallel,Serial (RS-232); Connector types: Wired, Standard interfaces: USB 1.1,Serial. Internal memory: 16 MB, Flash memory: 4 MB. Paper thickness: 0.0635 – 0.254, Paper thickness (imperial): 0.0025 – 0.01, Supported paper width: 12.5 – 118.1. Product colour: Grey.