GoPro HERO4 - Silver Edition - action camera - mountable - 1080p - 12.0 MP - Wi-Fi, Bluetooth - underwater up to 131.2 ft - Walmart.com
Amazon.com : SOONSUN Standard Waterproof Case Dive Housing for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Cameras with BacPac Backdoor for Extended Battery or Bacpac Screen – Waterproof Up to 40 Meters : Electronics
Amazon.com : SOONSUN Side Open Protective Skeleton Housing Case for GoPro Hero 4 Black, Hero 4 Silver, Hero 3+, Hero 3 Cameras – LCD Screen Touchable and Charging Without Removing The Housing Case : Electronics
GoPro HERO4 Silver vs HERO5 Black | GoPro Comparison Review
GoPro Hero4 Black And Silver Review: Still The Best Action Cams