Specifications Model :BW1851MR Android CPU :Dual Core ARM Cortex A9/1.6GHz GPU :Quad Core ARM Mali-400 MP Operation System :Android 4.2.2 RAM :DDR3 1GB NAND Flash :8GB, Support TF card expansion Network :WIFI, LAN, 3G (Optional) Display Screen Size: 18.5'' Resolution :1366x768 Product Size(mm) :478(H)x325(V)x43(D) Display Size(mm) :409.8(H)x230.4(V) Brightness :250 cd/m2 Colors :16.7M Viewing Angle :178 Aspect Ratio :16:09 Contrast Ratio :1000:1 typ Input Power Voltage :AC 110-240 V (50Hz-60Hz) Working Temperature :0? to 50? Program Input Port USB 2.0 auto import AV Signal Input Port :VGA, HDMI, Audio (3.5mm) Supported Media Format Video: MPEG1, MPEG2, MPEG4, H.264, WMV, MKV, TS, flv Picture: JPG, JPEG, BMP, PNG, GIF Audio: MP3 Timer On/Off: Support (Set by daily or weekly) Scrolling Text :Supported by CTSignage Lite and CTSignage Pro Multi zone display :Supported Software CTSignage Lite: Support Stand-alone and Intranet control function CTSignage Pro: Support Internet control function Sound :2W, 5O Accessories :Remote Control, CD, Wall Mount Plate