The Rollei Bullet HD Action Cam ($350) is a brand new concept of action camera in the shape of a bullet, with a HD Video Resolution of 720p (1280×720 Pixel). Footages can be transferred to Mac and PC, via a USB cable. The device can hold charge for up to two hours and resist all the shocks and water (splashes) you may face during effort. The Rollei Bullet HD Action Cam is wrapped in an aluminum, bullet shaped body. It comes equipped with adapter for helmet, goggles, handle bar, 360° universal mount, case, USB cable, power adapter, sealants, and lithium-ion battery. For more info, check their Youtube channel, they have a bunch of videos showing the Bullet HD in action and how easy it is to install it on a helmet.