HD is the term used to differentiate the systems that generate, transmit or support HD content (High Definition) with those of standard definition or low definition (SD).

HD resolutions are usually at least 1280 x 720 pixels by taking the ratio "width x height". Being the height, 720 pixels, which make high resolution.

GoPro is a brand of video cameras focused on sports sector, which are characterized by their high quality recording, reaching 1080p resolutions.

It also allows software with its own share those videos on Facebook, YouTube ...

One of its most impressive features is its glass lens ultra wide angle, which focuses more on every shot. This type of lens is ideal for shooting on torportes or self-portraits closely. It also includes a large wraparound perspective.

In addition, some models have integrated WiFi and surround audio.