1. 4.4 lines/s high printing speed, support various language 2. Exquisite design, easy to use 3. Multiple interfaces optional, USB+Serial, USB+Parallel, USB+Serial+Ethernet 4. Support black mark printing, compatible with ESC/POS 5. Cutter optional, support double color printing Printing Method: 9 pins impact dot matrix Printing Width: 69.5±0.5mm Resolution: 180dpi Printing Speed: 4.4lines/sec Paper Width: 76±0.5mm Paper Loading: Not easy loading, with auto feeding function Auto Cutter: 1million cuts Interface: USB+Serial, USB+Parallel, USB+Serial+Ethernet Emulation: ESC/POS/OPOS Ribbon Cassette: ERC-39 purple, black or red and black double color Driver: WIN2003/WINXP/WIN7/WIN8/WIN10 Certificate: ROHS, CE, 3C Dimension (LxWxH): 251*160*138mm Weight: (G.W.)1.8kg