Resolution:203 DPI Print Method:Direct Thermal Memory:8MB RAM / 8MB Flash Max.Print Width:4.25 in./108 mm Max.Print Speed:Up to 6 ips(152 mm/s) Media Sensors:Movable Black Mark Sensor/ Fixed Gap Sensor Emulation:TSPL,ZPL,EPL,DPL Interface:USB,USB+Serial,USB+Lan,USB+Serial+Lan,Optional Wireless Connectivity:Bluetooth/Wi-Fi Others:Optional RTC Media Length:0.39 in.~70 in.(10 mm ~ 1778 mm) Media Width:1.18 in.-4.56 in. (30 mm - 116 mm) Media Roll Size:4 in./101.6 mm Outer Diameter,Core Inner Diameter:1 in.(25.4 mm)-1.5in.(38.1mm) Media Thickness:0.0023 in.(0.06 mm) Min.; 0.01 in.(0.254 mm) Max. Media Types:Continuous,Gap,Black mark,Fan-fold,Perforated Media