1. 2099 Calendar 2. Weekday display in 8 languages: English, French, Italian, Spanish, Dutch, Danish, Polish, German 3. 12/24 hour format, with dual alarm clocks 4. Snooze function (off or 5-60min) 5. Sunrise and sunset times Product function introduction: 1. 4 levels of brightness backlight with night mode 2. Weather forecast function 3. Humidity:Indoor and outdoor measurable range:20%RH-95%RH 4. Temperature: Indoor temperature measurement range:-9.9℃-50℃/15℉-122℉ Outdoor temperature measurement range:-40℃-70℃/-40℉-158℉ Temperature units are selectable in ℉ or ℃. 5. Minimum/maximum display of air humidity and temperature 6. Comfort display 7. Outdoor wireless sensors: Wall-mounted or standing 433.92MHz RF transmitter frequency 60m transmission range in open area One can connect up to 3 wireless outdoor sensors. 8. Atmospheric pressure: One atmosphere pressure measurement range:17.72 inches of mercury to 32.50 inches of mercury 600 /mbar to 1100 /mbar Pressure in inches of mercury or hectopascals/mbar 9. Power supply: Weather Station: Batteries:2 x LR6 AA (not included), Power Input:DC 5V 600mA Outdoor wireless sensor:Batteries:2 x LR6 AA (not included) Colour:Black & White Material:Plastic Package Contents: 1 * Meteorological Clock 1 * Sensor 1 * USB wire Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.