bangcool 2 PCS Camera Lock Lens Cap Protective Cover for DJI Phantom 3 Advanced Professional Quadcopter -Black Compatible with DJI Phantom 3 Advanced / Professional quadcopter Flexible plastic material, Protect the lens and the gimbal Prevents the lens from dust and scratches. Locks camera to gimbal and protects the lens as well Very strong and light weight. More FPV accessory product is provided by Hobby-Ace on Amazon.Bring your eyes into the sky and racing like a free bird, enjoy the ultimate first person view experience.