Rollei Bullet HD2 is an action camera with a wide range of features and possible use cases. It has a fisheye view and a fixed focus glass lens with f/2.4 aperture. The camera can record videos in 1280x720 resolution at 30 frames per second in MJPG codec and AVI file format. It has a built-in microphone and supports micro SD cards with a capacity of up to 32GB. The camera can also take still pictures with a resolution of 4032x3024 in JPEG format. The capture mode is auto snapshot every 3 seconds.