1、Dual Mode Connection: This thermal paper printer supports USB and wireless connection, suitable for fixed location working environments or on site service that require mobile operations. It provides a flexible user experience, facilitates device connection, improves work efficiency, and meets the needs of customers in different industries 2、High Speed Printing: This printer has a printing speed of up to 120mm/s, combined with a high definition resolution of 203dpi, which can improve business processing speed while ensuring print quality; Suitable for supermarkets, banks and other places that require quick printing of receipts and invoices, reducing customer waiting time 3、Wide Application: Supports multiple internationally recognized barcode formats including UPC A, EAN13, CODE128, as well as QR code recognition and printing, ensuring the wide applicability in industries such as retail, logistics, and warehousing; Support bitmap download and printing function to meet personalized needs 4、Powerful Compatibility: Supports for Android, for Linux, and for Win. This thermal paper printer provides strong compatibility and wide adaptability, enabling efficient collaboration across platforms; Simplified equipment configuration process and reduced maintenance costs for enterprises 5、Cashbox Control: The RJ11 interface can directly connect to the cashbox and automatically open it through specific commands, especially suitable for places such as cash registers that require frequent use of the cashbox; Simplified the checkout process, improved security, and brought customers a more convenient operating experience Item Type: Thermal Paper Printer Material: ABS Connection: USB + Wireless Dual Mode Connection Printing Width: Approx. 48mm / 1.9in Printing Resolution: 203dpi Printing Speed: 120mm/s Print Line Spacing: 3.75mm (can be adjusted via commands) Barcode Support: UPC-A, UPC-E, JAN13(EAN13), JAN8(EAN8), CODE39, ITF, CODABAR, CODE93, CODE128 QR Code: Support Graphic Printing: Support bitmap download and print Printing Paper Type: Thermal Paper Roll Printing Paper Width: Approx. 57.5±0.5mm / 2.26±0.02in Printing Paper Diameter: ≤70mm / 2.8in System Support: For Android, for Linux, for Win 1 x Thermal Printer 1 x Paper Roll Holder 1 x Data Cable 1 x Supply Adapter 1 x User Manual 2 x Printing Paper