Product function overview (1) Automatic matching of WWVB/DCF/MSF time calibration function; 3 types of adapters for US, EU and UK regulations USB models do not have radio wave function of automatic time calibration (2) Alarm clock, snooze function (3) Time (12H/24H), date and week display (4) 12-level moon phase display (5) 7 kinds of weather forecast (sunny, cloudy, cloudy, light rain , heavy rain, light snow, heavy snow) and weather trend display (6) Display the highest indoor/outdoor temperature/ low of the day and display the highest/lowest indoor/outdoor humidity of the day (7) Temperature display and trends of c hange Indoor: 050 (32122) Outside: -2060 (-4140) ( 8) Humidity and Change Trend Display Indoor/Outdoor: 20%RH95%RH (9) Barometric pressure display (detected in the last 12 hours): 600hPa/mb1100hPa/mb(17.72inHg32.50inHg&450.0mmHg825.0mmHg) (10 ) Outdoor temperature and freezing point alarm function (11) Backlight DC power supply: backlight is level 3 (high light/low light/no light) Battery powered: lights up for 15 seconds (12) Keli Wireless Outdoor Hangable Sensor (433.92MHz RF detection frequency, 60m/100ft detection range, waterproof) (13) Power supply: host 2 x AA batteries/4.5V 150MA DC power supply; outdoor sensor 2 AA batteries Specification introduction (1)packing size: 17.5*8*13.5cm (2)Package weight weight: 550g (3) Number of single boxes: 24 (4) Single box weight: 13kg (5) single box size: 50.5* 36.6*28.7cm (6) Conventional packing list: 1*weather clock, 1*USB adapter or cable, 1* sensor, 1* English manual.