Released 2016, this Sharper Image stunt drone is rechargeable and has a 150-foot flying range. It is black with 4 propellers. It has a 2.4GHz transmitter. It requires no FAA registration and includes charging cable and (4)replacement blades. It has removable blade guards.
Without either gps, optical or pressure sensors stable hovering is not possible. Trim adjustment is used to reduce drift. Look into all the forces acting on these quads and you will see how amazing it is they can even fly! Happy Hovering!
