GoPro is an American company that develops, manufactures and markets high-definition compact camcorders, often used in extreme-action video photography. They are compact, lightweight, rugged, and are wearable or mountable on vehicles. The cameras capture still photos or video in HD through a wide-angle lens.
The camera is also very popular for photo enthusiasts using UAVs (drones).
You can see a complete list of their products on B&H PHOTO
For more complete details on GoPro, visit wikipedia.
Official Website: GoPro.com