Printing Specification SLK-TE322II Method: Direct Thermal Speed: Max.220mm/sec Width: 72mm Resolution: 180 DPI / 203 DPI(Optional) Direction: Unidirectional with Friction Feed Paper Specification Type: Thermal Receipt Paper/Linerless(Optional) Width: 50 mm ~ 82.5 mm Thickness: 0.06 ~ 0.09 mm Roll Diameter: Max. 80.0 mm Roll Core Inner Diameter: 12.5 mm +/- 0.5 mm Interface Standard: USB Option: Serial(RS-232C), Parallel(IEEE1284), Ethernet, Wi-Fi(802.11b), Bluetooth(iOS) What's in the box Printer