The size of the camera measures just 29 x 29 x 30mm (similar to a ice cube) , too small compared to currently available 4K capable camera / camcorders, the small camera uses Sony Exmor sensor including a 32 megabyte frame buffer and captures 4096 x 2160 color images at 21 FPS (185 MByte/s), It also features USB 3.0 interface for fast data transfer to your PC.
The camera also provides color interpolation, look up table, gamma correction, and pixel binning functionality, The 4K camera will cost you approx $945 and available at Point Grey website.
