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 Silver vs HERO5 Black | GoPro Comparison Review
GoPro Hero4 Black Edition review | Stuff
Hero4 update page
GoPro Goes 4K with HERO4 Black, Adds Touchscreen to HERO4 Silver, and Debuts $130 Entry-Level HERO | PetaPixel
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
GoPro Hero4 Black Review: A Tiny 4K Triumph | Digital Trends
Review: GoPro Hero 4 Black brings high frame rates to high-resolution video | AppleInsider
V5.0 Dome Port for GoPro Hero 4 / 3+ / 3 | Professional Water Housings– GDome