Note The battery will be changed to 18650 battery case in order to facilitate transport and it doesn t have balance plug for DVR module the DVR module should use another power supply thank you for your understanding The receiver on EV100 Goggles doesn t receive audio But the goggles support audio input that you can hear the audio if inputs the video to goggles Eachine FPV Goggles Comparison EV100 vs EV200D vs EV300Dmodel EV100EV200DEV300D Display TechnologyDual 0 5 LCDDual 1 44 LCDDual 2 0 High Brightness LCD Field of View FOV 28°30°34°Receiver SystemDual AntennasDual Antenna DiversityQuad Antenna True DiversityChannel Support40CH48CH incl RaceBand 48CH incl RaceBand DVR FunctionalityWith DVRBasic Recording720p RecordingIPD AdjustmentMechanical SliderMechanical SliderMechanical SliderPower Solution2S 18650 User Provided Built in 1800mAh LiPoBuilt in 3000mAh LiPoWeight without battery 221g with battery 57g and antenna 13g 380g450gBest ForBudget BeginnersIntermediate PilotsAdvanced EnthusiastsEachine EV100 FPV Goggles DescriptionBrand Name EachineItem Name EV100Size 165mm 76mm 30mmWeight 221g with battery 57g and antenna 13g Package Weight 400gDisplayResolution 720 540FOV 28° diagonalIPD 58 68mmRatio 4 3Focal length adjusting under 400 degree of myopia and hyporopia 150 degreeSpecificationFrequency 5 8G 5333Mhz 5945MhzSensitivity 93dBAntenna Impedance 50ΩAntenna Gain 3dBiAntenna Connector RP SMA Video Formate NTSC PALSupp