1. Thickened and thickened design, more sturdy, more durable anti-collision
2. The part near the fuselage is protected by sponge to avoid hurting the fuselage
3. Rear anti-collision soft rubber design, more flight safety, avoid fuselage rub marks
4. Light weight, does not affect the flight range
5. Weight: about 5.7g
6. Size: about 4.3 x 3.6 x 3.3cm
7. Note: bumper only, no others