Amazon.com : GoPro HERO4 Black Edition Camera (Renewed) : Electronics
GoPro HERO4 - Silver Edition - action camera - mountable - 1080p - 12.0 MP - Wi-Fi, Bluetooth - underwater up to 131.2 ft - Walmart.com
Amazon.com : GoPro HERO4 Silver/ Music Edition : Electronics
GoPro Introduces HERO4: The Most Powerful GoPro Lineup, Ever | GoPro
Giveaway Extravaganza: GoPro Hero4 Silver | DC Rainmaker
Used GoPro HERO 4 Silver | MPB
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 Hero4 Black Review: A Tiny 4K Triumph | Digital Trends
GoPro Hero4 Silver review: Hero4 Silver is the best GoPro for the money - CNET