Printing mode Thermosensitive Storage DRAM：8M FLASH：4M Paper type Heat sensitive web, adhesive paper, etc Print head Thermistor temperature detection Print head position detection The micro switch Paper presence detection Photoelectric sensor Paper width 26mm-118mm Maximum outer 130mm diameter of built-in coil Maximum print width 104mm Printing speed Max. 200 mm / S; normal 127 mm / S Resolving power 203 dpi Print interface USB, optional WiFi, Bluetooth input 24VDC，2A