Panel:42.51 inches LED backlight Aspect Ratio:16:9 Brightness:450cd/m2 Viewing Angle:Full ( R/L 89 (Min.), U/D 89 (Min.)) Color temperature:10000K Response time:12ms Active Area(mm) :941.2(H)×529.42(V) Resolution:1920×1080 Contrast Ratio:1100:1 Display Colors:8bit, 16.7 Million Operating system :Android5.1 GPU:Quad-core ARMMail-764 Storage:8G eMMC CPU:Quad-core ARM Cortex A17 (1.8GHz maximum) Memory:2GB Interfaces Audio and video ports:VGA×1?HDMI×1?VGA Audio IN×1Storage extension:Micro SD Card(TF)×1 32G (Max)Network ports :LAN*1(10/100M Ethernet)?WIFI(802.11bgn)Other ports:USB2.0×2?SIM Card×1?AC Switch×1 Media file format: video:support MPEG1?MPEG2?MPEG4?H.264?WMV?MKV?TS?flv, etc audio:support MP3 audio format, etc picture:support JPG?JPEG?BMP?PNG?GIF ,etc text:txt Program transmission:USB?LAN?WAN Touch type:Capacitive Interpolation resolution:16384*9600(MAX) Response time:<10ms Touch points:10 points Touch precision:2.5mm±10% Input mode:Finger, PCAP Pen