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 560min).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 StationProduct Material: ABSWeight: Approx. 486g / 17.1ozBattery: 2 AA Dry Battery (Weather Clock), 2 AA Dry Battery (Sensor) (Shipped Without Battery)Humidity: Indoor And Outdoor Measurement Range 20%RH~95%RHTemperature:Indoor Temperature Measurement Range: -9.9C (15F) To 50C (122F)Outdoor Temperature Measurement Range: -40C (-40F) To 70C (158F)Temperature Can Be Switched In C Or FOutdoor Thermometer AlarmAtmospheric Pressure:Atmospheric Pressure Measurement Range: 600 hPa/mb To 1100 hPa/mbProduct Size:Weather Clock Size: Approx. 16.8x13x2.8cm / 6.6x5.1x1.1inSensor Size: Approx. 9.8x5x3cm / 3.9x2.0x1.2in.Package List:1 x Weather Clock1 x USB Power Cable1 x Sensor1 x Manaul