The Yi4K Action Camera is almost exactly a GoPro Hero4 Black. It has similar features. The Hero4 Black costs $500, and the Yi 4K costs $250.
The Yi 4K beats the Go Pro Hero4 Black on a spec for spec basis It has twice the battery life and a built in touchscreen
Brian Wang is a Futurist Thought Leader and a popular Science blogger with 1 million readers per month. His blog Nextbigfuture.com is ranked #1 Science News Blog. It covers many disruptive technology and trends including Space, Robotics, Artificial Intelligence, Medicine, Anti-aging Biotechnology, and Nanotechnology.
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