Video appears to be real, or is it?
Flamethrower drone can shoot a seven-metre long stream of fire
https://www.youtube.com/watch?v=Z3_eEO0Cvwg
“Out of Stock”
TF-19 WASP Flamethrower Drone Attachment
$1,499.00
https://throwflame.com/products/flamethrower-drone-kit/