Display Display Size : 86 inch Screen scale : 16:09 Display dot pitch : 1895(H)1065(V) 86″”diagonal Resolving power : 38402160 Brightness : 450 cd/㎡ Touch Touch technology : Infrared 20 point touch Touch Driver : USB adaptive Touch mode : Finger or any opaque objects Integrated Camera : 5MP Android CPU : Cortex A53 RAM : 1857 MB Flash : 4 GB SD card : Support MAX 128GB SD card Android system : Android I/O PORT : RS232, HDMI IN, RJ45, Touch USB, VGA IN, VGA AUDIO IN Voltage range : AC 110~240V-50/60HZ