The Dymo LabelWriter 4XL is only 7 x 5.31 x 7.37" (178 x 135 x 187mm) and accommodates labels up to 4" (10.16cm) wide. The 4XL delivers labels at 300dpi, via direct thermal technology. The printer uses heat from a thermal print head to print on specially treated, heat-sensitive labels. The only supplies required are labels, no ink nor toner. The LabelWriter 4XL prints on a wide variety of labels for office and commercial requirements, including shipping and receiving, inventory control, retail, and more.