[1] Attainable when transmission resolution is set to 480p under FCC regulations at 2.4 GHz in ideal conditions. The recommended transmission distance is 2 km for fixed-wing aircraft and 200 m for drone racing. 
[2] Camera Module and OcuSync Video Transmission Module sold separately.
[3] 720p 60 fps and 480p 50 fps transmission are also supported.
[4] 12 selectable transmission channels are available at 5.8 GHz and seven channels are available at 2.4 GHz.
[5] Supported with both OcuSync and analog video transmission.
[6] OcuSync Video Transmission Module and Camera Module are required.

DJI Goggles Racing Combo