XCSOURCE LCD Screen BacPac Display + Back Door Case Cover for Gopro Hero 3+/ 4 OS329 Waterproof, Protect and waterproof for Hero3+/4 Bacpac Panel LCD Screen, armed your hero Camera. The Backdoor is special designed for Bacpac LCD screen, if you already have the normal housing shell case, you can buy this backdoor for LCD screen. LCD Screen Fits for HERO 3+, HERO 4. Can view real-time images captured by the machine. Package included: 1 x LCD Screen; 1 x Housing Backdoor Case.