Amateur FPV pilot here - the onscreen display (OSD) contains some useful information that many fpv pilots would immediately recognize. This is definitely a rotorcraft (likely quadcopter) running open source betaflight flight controller software (or one of the derivatives), the OSD is very characteristic. So basically a small acrobatic / racing style drone, (maybe a larger hex- or -octo copter, but non-mil-spec DIY in any case). Video quality is totally consistent with analog FPV TX, and the fact that there is noise means that this video was recorded in-goggle (many have slots for SD cards) and is not an onboard recording (some FPV cameras have onboard recording capability, which would be TX-noise-free). Top left is the video transmission channel (A-1, the default, 5865 MHz), below that "AIR" indicates that it is being piloted in air mode (aka acro mode, no auto-stabilization on any axis, as experienced pilots prefer, free to rotate on all axis without any auto-leveling ; as opposed to "angle" or "horizon" stabilization modes where the drone constantly levels itself in some way). The swirl symbol and number represents the throttle value on a scale of zero to 100; the pilot is basically hovering, no crazy movements. Below that (bottom left) is the instantaneous amp draw, which is low-ish and steady, consistent with hover (a high-power punch-out manoeuvre could draw 200 A or more). Below that is the voltage of the battery pack; it's running a six cell Lipo that would read 25.2 V when fully charged; it's almost empty. At the bottom right you have a single battery cell voltage (average of the six cells, or the lowest of the 6, can't tell) - this also helps the pilot know how close the battery is to being drained. At the top right you have radio control link parameters; LQ is link quality, and the numbers below are also likely related to the quality of the radio control link (rssi perhaps, there are several radio link health indicators that a pilot might choose to put on the OSD). These OSDs are entirely configurable with software - Typhoon is the craft or pilots chosen name that they entered into the betaflight software OSD configuration tab. Finally, at the end, we have the screen that betaflight shows at end of flight (the drone was disarmed for this screen to show), with a total flight time of a little over 5 min - typical for a 6S racing / acro quadcopter. It doesn't seem to have a gps unit on board (otherwise there would be OSD elements showing gps derived data like pos, speed, alt, distance to home, num of satellites, etc). All of this is consistent with a small and cheap analog FPV racing-style drone, fully analog VTX and RTX, for which we are seeing the last seconds of a five minute flight (that could have easily brought it to ca 800 m as OP claims). The camera is fixed-focus, no autofocus whatsoever, and is very wide angle (fisheye, depth of field is pretty much infinity, everything is in focus all the time). So the drone most likely got very close to whatever it was filming - my guess would be within 10 m for sure, and maybe within 2-3 m. Hope this helps :-)