The rise of the ramp is the vertical dimension and the horizontal projection or run of the ramp is the horizontal dimension. If the slope of a ramp is between 1:12 and 1:16, the maximum rise shall be 30 inches (760 mm) and the maximum horizontal run shall be 30 feet (9 m).
GoPro, Inc. (formerly Woodman Labs, Inc), is an American manufacturer of action cameras, often used in extreme-action videography.
2-4K Resolution. This is the feature that every GoPro fan is excited about. With GoPro Hero 4 Black, we are now able to have 4K resolution @ 30 fps in our videos. You can see the list below in Technical Specs for details about video resolutions.