Compatible with GoPro Hero 3+ Hero 4 standard housing and GoPro Hero (Entry Level) housing case.
The metal part on the backdoors is made of 304 stainless steel, which is rustproof in seawater.
Made of high quality and lightweight materials, sturdy and durable.
Package Includes: Standard Backdoor x 1,Skeleton Backdoor x 1,Touch Backdoor x 1.
Easy to install / unstall. You can switch the backdoors on your housing case for various purpose.