1. Allinone functions Colour weather forecast; indoor / outdoor temperature and humidity; MAX/MIN temperature and humidity display; moon phase and date; air pressure; DCF radiocontrolled clock, daily alarm and snooze function; 3 levels backlight selectable. 2. Thermometer, hygrometer and barometer function Display of indoor / outdoor temperature and humidity display optionally in °C or °F; trend display of air pressure, temperature and humidity; minimal/maximum display for humidity and temperature; outdoor frost alarm sounds when the outside temperature is 1 °C to 2.8 °C. 3.Wireless external remote control sensor The wireless remote control sensor thermometer a range of up to 60 meters. 4.USB atomic clock and alarm functions: USB charger for electronic devices, automatic or manual time setting, time optionally available in 12/24 hour format and time zone, easy to switch on and off from the daily alarm clock with snooze function, display for low battery when only used with battery.