Use low consum ption and high performanceindustrial motherboard ,standard configuration isJ1900,can upgrade to i3li5li7, for more details , please contact service center.  All equipment totally closed inside theall-in-one PC,Touch sensing componentsperceive user operation across tempered glass without physical loss. Epson 532 high speed thermalprinter(paper width 80mm),low noise,fast printingspeed ,over 80mm per second,auto cut paper,innerdiameter less than 40mm,outside diameter lessthan 80mm.