1. 1cm height increase after use, no wear and tear on the fuselage during takeoff and landing 2. Open it to become a booster stand when using, and fold it to be flush with the fuselage when storing, very good for storing 3. Stable mounting, no falling, no damage to the fuselage 4. Light weight, does not affect the flight range 5. Weight: about 9.9g 6. Size: about 2.8 x 1.3 x 2.8cm 7. Note: only the booster stand, no others
