DYKIE Advanced Wireless Weather Station with Atomic Self-Setting time & MIN/MAX Records, Barometer, Temperature Alerts,Dual Alarm Clocks,Indoor Outdoor Temperature/Humidity Forecast Digital weather station LCD Screen display : weather forecast; date ;weekend ; calendar; double alarms; indoor/outdoor temperature, humidity and temperature alert; max/min records ,moon phase display. Clock Function -Time in optional 12/24 hour format and have date and weekday display. Continuous calendar up to 2099 with double alarms. Calculates sun rise/set based on selected city name,Barometric pressure history graph Thermometer, Hygrometer and Barometer Function ----- indoor/outdoor current temperature and humidity display in optional C or F. Min/Max display for air humidity and temperature. Graphic display to show the air pressure and air pressure trend display. Weather Forecast Function ----- with outdoor wireless remote sensor (transmitter) and using 5 icons: sunny, light cloudy, cloudy,rainy and cloudburst The unit will calculate moon phase and tide everyday according to the calendar.There are 8 states of moon phase in all The unit will calculate automaticall the time of sunrise sunset of the city everyday after the city is selected <span class="a-text-bold">(USA 50 cites)</span> You can select M/D or D/M model indoor temperature range:14~140. indoor outdoor humidity range:20%~90% outdoor temperature range:-4~140 indoor temperature alert:158~14 outdoor temperature alert:158~-40