Key Features. Weather forecast Temperature trend Indoor & outdoor humidity Indoor & outdoor temperature Air pressure Date & time Sunrise & sunset Moon phases. Easy to read The measured data is shown on the clearly structured display. Never be caught in the rain! Weather Expert provides a variety of weather information from the outside sensor. Alarm clock radio controlled clock that you can use to wake you up. Unlike many home-use weather stations which may only show you values for temperature humidity & weather trends the National Geographic offers a whole range of meteorological data. Despite the wealth of information the clearly structured display & intuitively understandable symbols ensure clarity & quick retrieval & reading of the desired data. The Thermo/hygrometer records & transmits the external values for temperature & humidity. The values are sent via radio signal to the weather station. Up to 5 outdoor sensors can be connected to the weather station..