Inkjet printer: 1.Printable lines:1-3 lines(adjustable) 2.Height of letter:2-10mm 3.Print speed:2m/s(7*5 format ... : paper, plastic, metal, PVC, PPR, Glass, Wood and Rubber etc.Print function:1) Serial number, batch number, product counting display and ... print.2) Date program real time clock automatic change display and ...