Feature: 1. Perpetual Calendar and Clock: The wireless weather forecast station has the basic perpetual calendar, clock function, and the time is 12 hours or 24 hours. 2. Weather Forecast Function: The weather forecast station with sensor has weather forecast function, which can predict the climate change in the next 12 hours. 3. Alarm Clock Function: The wireless weather forecast station with sensor can be set with two alarm clocks and the snooze function (OFF or 5‑60min). 4. Display Sunup and Sundown Time: Weather forecast station can display the sunup and sundown time of 251 major European cities (American cities must be manually set). 5. Moon Phase and Tide Functions: The wireless weather forecast station has moon phase and tide functions, adaptive backlight, and full function touch buttons. 6. USB Cable and Dry Battery: The wireless weather forecast station with sensor can be started directly by USB cable or by dry battery. Specification: Item Type: Wireless Weather Forecast Station Product Material: ABS Weight: Approx. 486g / 17.1oz Battery: 2 AA Dry Battery (Weather Clock), 2 AA Dry Battery (Sensor) (Shipped Without Battery) Humidity: Indoor And Outdoor Measurement Range 20%RH~95%RH Temperature: Indoor Temperature Measurement Range: -9.9°C (15°F) To 50°C (122°F) Outdoor Temperature Measurement Range: -40°C (-40°F) To 70°C (158°F) Temperature Can Be Switched In °C Or °F Outdoor Thermometer Alarm Atmospheric Pressure: Atmospheric Pressure Measurement Range: 600 hPa/mb To 1100 hPa/mb Product Size: Weather Clock Size: Approx. 16.8x13x2.8cm / 6.6x5.1x1.1in Sensor Size: Approx. 9.8x5x3cm / 3.9x2.0x1.2in. Package List: 1 x Weather Clock1 x USB Power Cable1 x Sensor1 x Manaul