1. After complete installation, it is in a semi-enclosed shape, and the anti-collision upgrade; 2. It is used to isolate the blades, reduce the risk of blade injury, and avoid damage caused by foreign objects hitting the blades, improving flight safety; 3. ABS+PC material, good toughness, fine workmanship, certain elasticity, easy to disassemble. 4. Lightweight design 46g does not affect the flight. 5. Dimensions: 17.8 x 17.8 x 4cm
