You can also use your smartphone as guest side FPV viewing and at the same time record the video footage, if your phone support streaming via hotspot you can spread out FPV footage to nearby guests too. Here are my FPV setup on smartphone and DVR for guest veiwing.
Setup smartphone FPV and DVR: https://www.supermotoxl.com/fpvuav-f...th-dvr-display
Video: