LCD Display Multi-Functional Digital Clock /Calendar/Hygro-Thermometer

Clock and Date display function, display shifts automatically in 5 seconds between clock and dateWeek display functionClock, date, lunar calendar, Gregorian calendar optionsInstalled with outdoor temperature sensor, automatically displays indoor and outdoor temperature alternately in 5 secondsFunctions:Indoor and outdoor temperature display, indoor humidity displayTemperature unit degrees Celsius and degrees FahrenheitMemory of maximum/minimum value of temperature and humidity2 modes of time display: 12hrs to 24 hrsClock and date display function, automatic exchanging in 5 seconds between clock and datePointing function on each hourEveryday alarm functionCalendar display functionWeek display functionClock, date, lunar calendar, Gregorian calendar automatic exchange functionOutdoor temperature sensor automatically displays indoor and outdoor temperature alternately in 5 secondsSpecifications:Temperature range: Indoor and outdoor: negative 50 to positive 70 degrees Celsius (negative 58 to 158 degrees FahrenheitHumidity range: Indoor 10 percent to 99 percent RHPower supply: 1x 1.5 (AAA sized) batteryWeight: 460gDimension: 200*151*21mm