Name: Suitable for Royal AIR2/2S protection ring (new) Applicable models: Royal Air 2/AIR 2S Main material: ABS Property: grey Net weight: 90g Gross weight: 189.4g Product size: Radius: 10.5cm, maximum size after installation: 47.5*39.5*10.5cm Packing size: 21*18.5*9cm Packing list: Protective ring x 4 Packing: boxed Product selling point: 1. The semi-enclosed protective ring fully wraps the blades to prevent the blades from hurting people or being damaged by foreign objects, improving flight safety; 2. Using high-toughness materials, it has strong impact resistance and compression resistance, reducing accidental damage to the machine; 3. The structure is strengthened and the anti-collision protection is further upgraded; 4. Lightweight design, the whole set weighs only 90g, which does not affect flight use. (The APP may prompt to detect the protection ring when flying, please pay attention to safe flight!)