Multi-function digital weather station alarm clock. With color LCD display, thermometer and hygrometer, it can display atmospheric pressure, and weather forecast is predicted by atmospheric pressure. Supporting a wireless sensor, you can place the sensor in an outdoor or other room. Work with USB power whether you are in Europe, America or Oceania. The modern minimalist design is a great accessory and tool. Main station: 1.The weather forecast function; 2. display of date and day of the week; 3. time in optional 12/24 hour format; 4. Daily alarm function; 5. Auto repeat function; 6. Moon phase display; 7.USB charger output socket; 8.3 levels of brightness backlight with USB power cable; 9.Temperature, humidity and barometric trend display; 10.Temperature: - Temperature alternatively in ° C or ° F, - Indoor temperature measurement ranges: 15°F (-9.9°C) to 122°F (50°C), - Outdoor temperature measurement ranges: -4°F (-20°C) to 140°F (60°C), - Outdoor thermometer and frost alert; 11.Humidity: Indoor & & Outdoor measurable range: 20%RH~95%RH; 12.Barometric pressure: - Barometric pressure measurement ranges: 17.72 inHg (600 hPa/mb) to 32.50 inHg (1100 hPa/mb), - Pressure alternatively in inHg or mb / hPa / mmHg; 13.Minimum/maximum display for humidity and temperature. Wireless outdoor sensor: - Wall support or table support, - RF transmission frequency 433.92 MHz, - 200ft transmission range in open area. Power source: - Weather station: battery: 2 x AA (not included) or power plug (included) -Wireless outdoor sensor: battery: 2 x AA (not included).