Product function introduction (1) It can be ordered with DCF or WWVB or MSF automatic timing function with 3 kinds of adapters of European, American and British regulations (2) Alarm clock, 560 minutes snooze function (3) Time (12HR or 24HR), date and week (7 languages) display (4) 12-level moon phase (can be jumpered to choose positive or negative display)(5) Level 5 indoor climate comfort display (6) 6 types of weather forecasts (sunny, cloudy, cloudy, light rain, heavy rain, snow) and weather trend display (7) Temperature detection Indoor: -9.950 (15122) Outdoor: -20and60 (-4140) Resolution: 0.1C (0.1F) Humidity detection Indoor or outdoor: 20 percent RH95 percent RH Resolution: 1 percent RH Air pressure detection 600hPa or mb1100hPa or mb(17.72inHg32.48inHg) Resolution: 1hPa or mb (0.03inHg) (8) Outdoor high and low temperature and frost point alarm function (9) Temperature and humidity trend display(10) Records of the maximum and minimum values of indoor and outdoor temperature and humidity (11) Barometric pressure trend graph display in the past 24 hours(12) Backlight DC power supply: the backlight is level 4 (high light or medium light or low light or no light) Battery powered: light up for 15 seconds (13) Hangable Keli wireless outdoor sensor (433.92MHz RF sensing frequency, 60-meter sensing range, waterproof) (14) Power supply: 2LR6 "AA" batteries or DC 5V power supply (15) Conventional packing list: 1x weather clock, 1x USB power cord, 1x sensor, 1x manual. "all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution."