・3 Interfaces: Allows printing via USB cable, serial cable, and even printer sharing by multiple different computers via Ethernet/LAN, also includes RJ11/RJ12 cash drawer port ・High-speed and Inkless Printing: With auto-cut function, print speed up to 250 mm/s. Thermal means you never need to replace ink cartridges again. Paper width is 80mm ・Suitable Occasions: Perfect for restaurants, coffee shops, bars, gas stations, etc ・Easy to Use: Easy-to-understand user manual allows you to upgrade your in-store operations in minutes ・Compatibility: Supports Windows XP/Vista/7/8 /10, can add store Logo on receipts Specification: ・Printing media: thermal receipt paper ・Printing width: 72mm ・Printing speed: 250mm/s ・Printing resolution: 203dpi ・Paper roll width: 80mm ・Paper roll diameter: 80mm ・Interface: USB+serial port+network port ・Command: ESC ・Power adapter voltage and current: 24V/2.5A Package included: ・1 x Printer ・1 x Serial Port Line ・1 x English User Manual ・1 x USB Cable ・1 x Power Adapter Cord ・1 Roll x Printing Paper ・Other things not included