Some examples of common places to mount an action camera are on a hat or helmet, on the chest, or on the handlebars of a bike or similar vehicle.
A typical action camera records onto a microSD card, and has either a Micro-USB or a USB-C connector.
In 2014, worldwide action camera sales increased by 44 percent from the previous year and half of them have the capability to shoot Ultra High Definition at 4K resolution.
[2] By 2021, the Ultra HD category of the action camera market is expected to reach $3.3 billion.
The Full HD category, meanwhile, is expected to reach $2.2 billion, with the surveillance/security industry driving growth.