The LCD BacPac ™ Touch is a touchscreen removable to connect easily to the back of GoPro camera to add comfort and control capabilities. It's perfect for playing video and photos directly on the camera and to also have the audio function and slow-motion. Look at what's framing your camcorder and create shots more accurate. Adjust for easier camera settings: just tap the different options on the screen. Plus, if you use it on camcorders Hero4, you can scroll through modes and menus with a finger. They include rear doors Standard, Skeleton and Touch BacPac ™.