Meet the IRIS Helmets DC-2: a motorcycle helmet with integrated front and rear cameras to capture all the action on the road. Its dual cameras can capture 1080p @ 30 fps video to a microSD card. They have a 135-degree field of view, so you will be able to record accident footage from all all sides.
This helmet has 4 vents for optimum air flow. In-helmet audio recording is also available. The portable battery bank can be used for your other gadgets. Expected to ship in 2017.