... com, convenient, fastProduct DescriptionPM310 is a new design for convenient line printer, the outward appearance is exquisite, has the advantages ... the small batch, batch print on demand.CharacteristicCan repeat print line numberLight and portable, simple operationEnglish / digital input and can ... 0.5, 1, 1.5, 2.5, 3.5, 4Color: black, red, length 30MWorking environment: 5---45, 20 - 80%RHSamples: