1. Adopting 3D printing process and environmentally friendly plastic material
2. External hard plastic shell, the collision can also be resisted, more protection in place
3. Internal sponge protection to prevent wear and tear, not only to protect the lens, but also to protect the lower visual positioning sensor
4. Easy to install and dismantle
5. Easy to store, easy to carry
6. Weight: about 5g
7. Note: only the protective cover, does not contain other