... " All-in-One Touch Screen POS System for Retail & RestaurantThe POS-ETA615/815 series POS System is the All-in-One computer ... for choice. Highlights15-inch All-in-One Touch Screen POS System, easy for operatingNew design, Better quality ensure, Space saveLow Power ... x 2), 1 x Line out / MICMode21 x 10/100 LAN(RJ45), 2 x Serial/Com (DB9), 1 x Parallel/LPT(DB25) ,1 x VGA(DB15) , 2 x ...