all in one server monitor with gpio

{"cid":"91222842","title":"21.5 Inch Rack-mounted Server Monitor Touches Panel Pc I3 I5 I7 RS232 RS485 GPIO Touch Screen All in One Industrial PC","imgUrl":"https:\/\/img.ismap.com\/nimg\/fe\/dc\/38f0dbc75199d6b2f55c42934fb1-200x200-1.jpg","attrs":{"Price":"negotiable","Brand Name":"ZXTLCD","Minimum Order Quantity":"1","Delivery Time":"3-5 working days","Certification":"CE\/Rohs\/FCC","Place of Origin":"Guangdong, China","Payment Terms":"L\/C,T\/T,MoneyGram,Western Union","Supply Ability":"2000 pcs per month","Packaging Details":"wooden case, carton, flight cases are optional","Screen size":"21.5 inch","LCD Type":"a-Si TFT-LCD","Resolution":"1920 X 1080","Screen ratio":"16 : 9","Screen Brightness":"250 cd\/\u33a1","Contrast Ratio":"3000 :1","Viewing angle(up\/down\/left\/right)":"89\u00b0\/89\u00b0\/89\u00b0\/89\u00b0 (Typ.)(CR\u226510)","Features":"Fanless industrial grade","Touchscreen Type":"Projected Capacitive Touchscreen","Installation Type Optional":"panel mount\/wall mount\/VESA arm\/ desktop stand","Appearance":"Metal case","Color":"black or Silvery optional","Power Supply":"DC , 6V ~ 36V","Speaker":"2 X 5W (optional )","Interface":"USB2.0 X 4 , HDMI X 1, RJ45 X 1","Display color":"16.7M , 72% NTSC"}}