The , developed by Ascent AeroSystems , is a rugged, coaxial drone known for its unique cylindrical, "thermos-like" design. While it was a highly anticipated crowdfunding project around 2015, its current availability for individual purchase is limited as the company has pivoted significantly toward professional and industrial unmanned aerial vehicle (UAV) systems. Key Features of the Sprite Drone

: The propellers automatically retract when the motor stops, protecting them during landing or while being carried.

weighs ~1.2 kg, it falls into this category, requiring and a Unique Identification Number (UIN) . Sprite - A Portable Rugged Drone for the Outdoors