Vicdozia Waterproof BacPac Back Door Case Compatible with GoPro BacPac LCD Screen/Expansion Extended Battery BacPac, for GoPro Hero 4/3+ Original Standard Waterproof Housing Case [BacPac Version] This is an Extended BacPac Backdoor Case for Protecting(Not a Standard Backdoor), the Back Door NO Touch Function! [Detachable and Waterproof] Transparent for a perfect view for your LCD Screen BacPac. [Compatible With] It fits on your GoPro Hero 4, Hero 3+ Standard Housing Case with BacPac LCD Screen/Expansion Battery BacPac on. [Package Include] Non-touch BacPac Backdoor Case x1. [Kindly Note] Please noted this model works with the GoPro Hero 4/3+ Standard Housing Case( The version WITHOUT 8 Screws on the Front Lens Frame as our second photo shows) & You do not need to buy if your LCD Screen or your BacPac Battery comes with an extended backdoor.