For more detailed parameter settings, please refer to the manual or the video on the official website for operation. 【Auto Label Detection】With the intelligent paper return function, our thermal printer can automatically catch and feed the thermal label and supports label widths ranging from 1.57″(40mm) to 4.65″(118mm). 【High-speed Printing】With high-speed printing of 150mm/s, POLONO thermal printer can print 72 labels per minute. Greatly improve work efficiency and save time. This thermal printer is suitable for different kinds of sellers. 【Environment Friendly & High Quality】POLONO thermal printer adopts advanced thermal direct technology to print without any toner or ink. The customized print head can stably print 160,000 standard labels. Very environmentally friendly. The high resolution of 203dpi ensures that the contents of each label are clearly visible, which makes the label easy to scan and read. POLONO themal printer is ideal for various places including office, home, store, warehouse, etc. Refer to the included tutorials to start printing within minutes.