Eachine EV300D 1280*960 5.8G 72CH Dual True Diversity HDMI FPV Goggles Built-in DVR Focal Length Adjustable With Chargeable Battery Case

Software Upgrade Guide (USB): http://myosuploads3.banggood.pdf   Firmware: MERGE.zip  ( EV300d Release Notes V0.2.25    2020-02-25 )   Click here to download the manual: EV300D.pdf More parameter: Eachine EV300D.pdf Specifications: Frequency: 5.8GHZ Frequency range: 5333—5945 M Hz Receiver Sensitivity: ≤-93DB Connector of receiver: SMA-Female Antenna impedance: 50Ω Audio and video: AV in/out Video format: NTSC/PAL Brightness: Adjustable Contrast: Adjustable Pupil Distance adjusting: 56-72mm Focal length adjusting:Under 800 degree of myopia and Hyperopia 300 degrees Eyeglass frames: astigmatism/ myopia/hyperopia(Diopter lens not include) Power input: DC 7.4V-28V Minimum voltage: 6.8V Operating temperature:-10C ~ 40C Net Weight: 208g  Weight: 340g (with modules)     Package Included: 1 X EV300D goggles 1 X Zipper case 1 X 18650 battery case 1 X Sponge 2 X EVA pad 2 X Eyeglass frames 2 X Third party module cover 2 X FPV receiver 1 X Lens wiping cloth 1 X User Manual Note: not included the battery and antenna