Prism 200 System, manufactured by Cambridge Consultants, would see through walls. Supplied with the system software it will enable to see three-dimensional image of what is happening behind the wall from various angles. Naturally, such a device is not for the usual high-tech enthusiasts. This compact, portable and reliable device that uses advanced signal processing is designed to determine the movement of people and objects through the brick blocks or cement wall. By clicking on one button, the user receives a three-dimensional image of the room and gets the ability to rotate it in the virtual space to observe the objects inside the room. Prism 200 is designed to be used by police, Special Forces or the emergency rescue services.