Multi Size Writing Projection Electronic Digital Whiteboard Touch Screen Screen

Product ParametersPanelPanel BrandLG (Optional BOE, CSOT etc.)Diagonal Size75"Resolution3840×2160 4K UHDResponse Time6msRefreshing Frequency 60HzLife Time30000 HoursMotherboardProcessorQuad-core Cortex-A53CPU Frequency 1.5 GHZDDR4/RAM1.5GB Standard, 2GB (Option)eMMC/Flash8GB Standard, 16GB/32GB (Option)Operating SystemAndroid 6.0Touch systemSensing TypeInfrared recognitionTouch Point10 points of infrared touchTouch ToolFinger, Opaque objectsSurface Hardness3mm Toughened GlassTV SystemReception Range (ATV)48.25MHz~863.25MHzColour System (ATV)NTSC,PAL,SECAMSound System (ATV)BG,DK,IReception Range (DTV)VHF(52.5MHz~219MHz)/UHF(474MHz~866MHz)Modulation (DTV)TDS*OFDMVideo System (DTV)MPEG-2,MPEG-4,H.264Sound System (DTV)MPEG-layer 1/2,MPEG-2 layer 2TerminalTouch in/out1HDMI input2RJ45 in1PC Audio input1AV IN1VGA input(15pin)1YPbPr input1AV input1AV output1Earphone output1Cable/antenna input1Coaxial out1TF Card in/out1RS2321USB in/out2Built-in WIFI module1Pluggable OPS PC1PowerPower Source100-240VAC 50/60HZPower ON consumption