A method and system for mobile surveillance and a mobile infant surveillance platform are disclosed. The device may also collect and aggregate data from medical devices implanted within the body. A chiller heat-exchanger provides for heat removal. Each color filter covers multiple photodiodes. The invention also concerns the use of such a device as glazing, a method for making such a device, a method for controlling a transparent photovoltaic device as well as an installation for implementing said control method. Therefore, purity of the product can be increased.