•3 Interfaces: Allows printing via USB cable,serial cable,and even printer sharing by multiple different computers via Ethernet/LAN •High-speed and Inkless Printing: With auto-cut function,print speed up to 250mm/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 •Sound Reminder: This printer will make a sound to remind you when paper shortage or receiving orders,allowing you to know the order or replace printing paper in time 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/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 •1 x Disk •Other things not included