Works amazing, and with some mods on the internet, you can make this thing do almost anything you want (if you can code or understand it). So far, I've been able to make each switch functional (left for arm, right for buzzer, etc.) with some help of YouTube, make some switches play .mp3 files while I fly, control volume with the knobs, make my own splash screens, and incorporate sounds from Portal for the various commands! Works perfect with openTX and Liftoff for practice (FPV Drone game on SteSee full review