mcmotley if it is a runcam mini or micro you will need an adapter if it is a bigger run cam like 25x25 mm or 25x29 accounting for protrusion around screw hole's on camera casing it should fit right in without modifications.

mcmotley even if it was ready to fly it won't if you are using betaflight . betaflight nolonger supports f3 boards . try f4 or f7 board upgrade you should not have any problems. but they will not tell you wizard x220 fight board is outdated and is no longer supported by betaflight. just f4 and f7 boards are suported.

mcmotley betaflight no longer supports f3 boards you have to update to f4 or f7 board and update betaflight to 4.1 or higher something to do with not enough memory on the f3 board for the updated betaflight program for f4 and f7 boards . no more support for most f3 boards.

mcmotley From center of hole to center of hole 25mm x 25mm from corner to corner 29mm x 29mm.

mcmotley what kind of warranty does dji carry on there goggles?

mcmotley they make an aftermarket stand alone proper current plug in devi ce that screws in on the side of the goggles that patches in to any aftermarket analog module that enables the digital goggles to run your analog quadcopter setup on these goggles and you can find it on hangouts websight.