The Rollo X1038 Thermal Shipping Label Printer Bundle includes a power adapter and is designed for printing 4x6 labels. This label printer uses thermal technology and has a variety of connectivity options including USB-B 2.0, Serial, and USB Type-B. Its portable design makes it convenient for on-the-go use, and it is equipped with essential features for efficient printing. The Rollo brand ensures quality and reliability in this compact and user-friendly label printer.