TunerATSCSiliconTunerLCDDisplayScreenSize70x52mm(3.5 )DisplayFormat320x240RGB16:9or4:34:3Contrast120Brightness(cd/m2)220cd/m ViewingAngle(degree)100/50H/VLifeofBacklight(hrs)12,000hrsINPUT/OUTPUTTerminalRFBuiltinAntennaAV-OUT 3.5phonejackforCompositeVideoandStereoAudioEarphone 3.5phonejackforStereo32/16?DCIN5V1.4AATSCBandWidth 6MHzBand VHF:54MHz~230MHz UHF:470MHz~862MHzChannels2~69ModulatedMethod8VSBRFSensitivity-83dbm~-5dbmAudioSpec.Level1Vpp 0.1VS/N 60dbTHD0.10%VideoSpec.Level1VppBatteryType Li-PolymerCapacity1800mAhPlayTime2hoursChargeTime4hoursLifeTime≧300timesSpeakerMaxoutput1WmaxAntennaType TelescopeLength67~225mmExternalAntennaJackNoSizeDimension129x78x20mmPowerAdapterAC/DCAC110V(IN)/DC5V/1.4A(Out)AccessoryUserManualDCAdaptorAVCable( 3.5phonejacktoRCA)