... 1 roll paper New ideal Thermal label printer Serial RS-232C /485 /(serial TTL& Parallel interface) WH-AA Stylish, delicate ... end sensors and self-motion memory printing function Serial RS-232C ,485 ,or (serial TTL & Parallel interface)Add coordinate curve printing ... supplied Thermal roll paper (57mm wide, 30mmø)Interface Serial RS-232C /485 /(serial TTL& Parallel interface)Input Power DC 5V , ...