... : 32 bit CPU , ARM9 , 200MHz, 128MB FLASH 3.Linux operation system Key Features:Elegant and slim design, convenient swiping card vertically ... printer, up to 25 lines/sec, easy load style, adjustable print gray, supports dual-layer paper PCI-PED V1.3, EMV4 ... )Paper width: 58 +0/-1mmPaper roll outside diameter: 50mm Adjustable print gray, supports dual-layer paper, black label detection and smart ...