18.5 inch android tabletwith a64 mainboard with default ram 1gb and rom 8gb. Rj45 usb port with adaptive 10m100m adaptive ethernet port. 1366*768 resolution with widescreen aspect ratio. There are other products are optional from us like lcd monitor, pcap touch monitor, resistive touch monitor, cctv monitor and so on. model: b185-art parameters: 1. parameters: display: 18.5 inch projected capacitivetouch screen 2. aspect ratio: 16:9 3. max. Resolution: 1366*768 4. dot pitch: 0.3*0.3 mm 5. contrast ratio: 800:1 6. brightness (nits): 250 7. display color (max): 16.2 m 8. viewing angel: 85858080 9. osd language: english 10. configuration:a64 main board, ram: 1g (standard);rom: 8g (standard) 11. ethernet port: 10100m adaptive rj45 port*1 12. usb port: usb host*2 (main board*1; mini board *1); usb otg*1 13. input power:110240v 50hz60hz 14. rated power: 50w 15. assembling: bracket (standard) 16. product size:461*281.5*23.5 mm optional: main board: a83 ram: 1g (2 gb, 4gb optional) rom: 8g (16gb, 32gboptional) built-in high fidelity speaker(85w*2) camera: 500m pixel(wide viewing angel) assembling: vesa wall