Printing Method: Thermal Printer Print Width: 72mm Interface: USB+Bluetooth Column Number: 80mm paper: Font A - 42 columns or 48 columns/Font B - 56 columns or 64 columns/Chinese,traditional Chinese - 21 columns or 24 columns Character Size: ANK,Font A:1.5x3.0mm(12x24 dots) Font B:1.1x2.1mm (9x17 dots) Chinese,tradition Application: Restaurants, Department Stores, Kitchen, Convenience Stores, Specialty Retail, Supermarket; Printing speed: 220mm/sec Print command: compatible with ESC/POS commands Printing paper width: 79.50.5 mm (effective printing width 72 mm) Printing paper outer diameter: 80 mm Printing paper thickness: 0.06-0.08 mm Power supply: DC 24V/1.5A Automatic cutter: half cut Reliability: 100 kilometers Operating temperature: 0-45 Relative humidity: 10-80% Driver: Win 9X, Win 2000, Win 2003, Win XP, Win Vista, Win 7, Win8, win10, win11, Linux, supports Android and iOS systems, compatible with EPSON/SAMSUNG Plug Type: US Plug, it applies to Canada, India, Mexico, Thailand, Taiwan, the United States, the Philippines and so on. Voltage: AC110V Colour:black Material:plastic Package Contents: 1 x Thermal Receipt Printer