TECHNICAL SPECIFICATIONS: Printing method: Direct Thermal Printing Printing Width: 72mm Print Resolution: 203dpi Printing Speed: 250mm/s +_ Paper Speed Width: 79.5 0.5mm Paper Loading: Easy paper loading Printer Head: 100km Auto Cutter: 2 million cuts Interface: USB + Serial (Standard) Emulation: ESC/POS/OPOS Certificate: FCC, CE, 3C