... lines: 1-4 lines (Adjustable) 3. Height of letter: 1.2-15MM (Adjustable) 4. Speed of print: 3m/s (Single line 5x7) 5 ... , Arabia numeral, chart and mark 8. Print format: batch number of products, serial number, counting, Chinese & English, diagram, auto continuously ... and such several arrangements. 9. Built-in whole set Chinese letter, lattice edit directly 10. Connect to computer to realize random ...