Halloween fun

You should ring someone's doorbell with that and then fly away when they answer. Theyd be shitting bricks
 
looked like a shark from far away -
too bad the I1 is so loud, still pretty cool.
 
The first version of this I saw done used a huge long line so the drone was up out of sight and hearing. Probably want some kind of break-point or release-line in case it snags or catches on something, but being way up out of sight would make it vastly more effective