GoPro HERO4 - Silver Edition - action camera - mountable - 1080p - 12.0 MP - Wi-Fi, Bluetooth - underwater up to 131.2 ft - Walmart.com
V5.0 Dome Port for GoPro Hero 4 / 3+ / 3 | Professional Water Housings– GDome
Amazon.com : SOONSUN Side Open Skeleton Housing Case for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Cameras with LCD Touch Backdoor and Skeleton BacPac Backdoor for Extended Battery
GoPro Introduces HERO4: The Most Powerful GoPro Lineup, Ever | GoPro
Amazon.com : Suptig Replacement Waterproof Case Protective Housing for GoPro Hero 4, Hero 3+, Hero3 Outside Sport Camera for Underwater Use - Water Resistant up to 147ft (45m) : Electronics
Hero4 update page
REVIEW: The GoPro Hero 4 Camera | Backpacker Banter
Gopro Hero 4 BLACK Edition 4K Action Camera Camcorder CHDHX-401 - Walmart.com
GoPro Hero4 Black review: Smooth 4K video that's still the best in the category - CNET
GoPro Hero4 Black Review | PCMag
GoPro Launches HERO4 Session: the Smallest, Lightest and Most Convenient GoPro, Yet | GoPro
GoPro Introduces HERO4: The Most Powerful GoPro Lineup, Ever | GoPro
Used GoPro HERO 4 Black | MPB
Amazon.com : SOONSUN Skeleton Housing Case with LCD Touch Backdoor for GoPro Hero 4, Hero 3+, Hero 3 Cameras, Side Open Housing Case Allows Charging Camera Without Removing The Housing Case - Transparent Blue : Electronics
Hero 4 Microphone Compatible with GoPro Hero 4 Silver Black White Edition, Hero 3, Canon, Nikon Camcorder DSLR Camera- External Lavalier Lapel Mic
GoPro HERO4 Silver vs HERO5 Black | GoPro Comparison Review