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LCD digital whiteboard TVL-INF55A 55”Large-screen touch-screen system is applicable to large-sized touch display terminal solution,the system can put large-size LCD, PDP, projection equipment, display wall, display devices such as terminal into an interactive terminal. Users can use any fingers or pen on the surface of the display interface for interactive operation. Thus the computer and display terminal to form a complete interactive system,with the network or telephone conferencing systems can be connected to build real-time, interactive, efficient office and conference systems. Product Parameter Specification Display ParametersScreen ModelAUO T645HW02Screen TypeTFT LCDResolution1920 x1080Brightness500 cd/m2Contrast5000:1Color Total1073.7Mlifespan> 50000 hoursTouch writing systemsTouch PrincipleInfrared receiverResponse Time11 MsTouch effective identification>5 MmCoordinate output4096×4096Communicationfull speed USBPC SystemsMain ChipIntel G41+ICH7MotherboardONDA G41GraphicsIntegrated graphics cardSoundIntegrated AudioNICintegrated 10/100/1000Madaptive network cardMemory2G DDRIIIhard disk320G SATAoperating systemWindows XP/Windows 7USB(A )4USB(B )1Internet Interface RJ451DVD Drive1VGA output1Headphone1 TV System Color formatPAL/SECAMChannels199Impedance75 ohmRF connection typeIECSimulationSCALERMTK8222LNBTDQ-6F6Comb Filter3D COMB filterHigh-frequency interface1AV(yellow)2color(4pin DIN)1YPBPR(Green-blue-red)2VGA input(15 Needle D-Sub)1High Definition Multimedia Interface(HDMI)2Coaxial(orange)1Headphone Output1Sound output power2*15WSpeaker Number4Surroundexist