Product Name: 4K Digital Samrt Board Touch Monitor LCD Touch Screen Touch Display Interactive Whiteboard Model NO.: Thintop 385 Customized: Customized Resolution: 3840*2160 Screen: Original LG or Sammsung Brightness: 450nits Backlight: LED Color: 16.7m Response Time: 6mm Touch Point: 10 Point IR Touch Screen Size: 86 Inch Trademark: Thintop Transport Package: Standard Export Packing Specification: 1650*1310 * 475 Origin: China Product Description Type86inchCPUi3/i5/i7optionalWindowsOSWindows7AndroidOSAndroid 5.1Size86''Sizeofproduct(mm)1932*1113*58Sizeofdisplay(mm)1871*1063Sizeofpackage(mm)2084*1276*258mmN.W.(KGS)110KGG.W.(KGS)125KGResolution3840*2160(4K)Colors16.7MPower290WPowerofdisplay230WBrightness350(cd/m2)Lifetime50000HTypeofdisplayLEDRatioofdisplay0.672916667Bestviewingangleup:89down:89left:89right:89Max.viewingangle178°Contrastratio5000:1TYPWorkingvoltage50-60HZ100-250VStandbypower3WWorkingtemperature0~45ºCStoragetemperature-20ºC~60ºCWorkinghumidityenvironment5%-90%SystemsupportPAL/SFCAMPowerofspeaker8Ω10W*2Pixeldistance0.5622*0.5622mmGlasstypetempering4mmAGFront portsUSB2.0*3;Multimedia USB port*1;Infrared touch port*1;HDMI*1Back portsUSB2.0*3;HDMI*3;Coaxial*1;TV input*1;AV input*1;AV2 input*1;AV output*1;YPBPR*1;VGA*1VGA audio input*1;HDMI*3;earphone*1;(internet board add RJ45*1;SD*1;USB3.0*1,Spdif output*1Back PC portsHDMI*1;USB3.0*2;USB2.0*2;VGA*1;networ output*1;12v-19v power port*1;earphone*1Microphone output*1