about this item:

Printing tool: use without ink , low running costs. save time on handwritten wrong questions and increase productivity. Printer for students: using inkless printing technology, no ink or toner is required, which is convenient for daily use. Thermal printer portable: use without ink , low running costs. save time on handwritten wrong questions and increase productivity. picture printer: multifunctional application: it can be used to print photos, labels, students' wrong questions, etc. to meet different needs. Pocket label printer: the pocket printer is compact and lightweight, small design, you can easily carry it around.