The LETATWIN is a high speed portable printing machine that supports many different print materials. Enhanced by Max Company’s custom designed software (LETATWIN PC EDITOR) the LM-550A system provides a wide range of data entry possiblities. Connect to a computer and print directly to the machine, or save marker data to the machine’s large internal memory and take it with you to your site. The durable, shock-resistant rubber key board provides also provides peace of mind when taking this printer to your job site.