Drone falling down due to system breakdown or communication error may crash to the ground in a very high speed. It proves its value when there is a concern of hurting people or when your drone equipped with expensive equipment falls.

This product is a complete removal of the power / signal interface and the Flight Controller (FCC), and only a simple mechanical installation procedure is required at the top of the drone for operation.
It's a safety device for the drone that detects the fall of the drone and automatically activates the parachute canopy to reduce the fall speed.