Eneopterinae F121 | Altitude Holding by Inertial Navigation MINI Racing Drone04:37

Altitude holding by inertial navigation and PID autotuned makes it easy from zero to hero
The size is small and easy to carry makes pilots fully enjoyed even with small space indoor

The flight controller CS360 developed by RadioLink combines Kalman filtering technology and inertial navigation algorithm (gyro+accelerometer+barometer), allowing F121 flight with accuracy altitude hold even through narrow space or no matter how close to the surface (less than one-meter height).
Overcoming the defects of Euler angles singular value and using rotation vector algorithms, the flight controller CS360 makes F121 possible to rise and descend at high speed even with Altitude Hold Mode.
F121 can be thrown and starts to fly at any angle. A fixed head without a compass means the head of F121 always remains the same direction if the rudder stick is not moved. Otherwise, it will change according to the rudder stick. Move with a simultaneous response, F121 makes every beginner flight like a master.

You can buy the F121 from our Official Store
AliExpress(Global): https://bit.ly/2DbJSJB

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