1. Wireless outdoor and indoor humidity (%RH). 2. Wireless outdoor and indoor temperature (¡ãF or ¡ãC). 3. Records min. and max. humidity. 4. Records min. and max. temperature. 5. Barometric pressure 24 hour history graph (inHg or hPa). 6. Barometric pressure tendency arrow. 7. Forecast icons based on changing barometric pressure. 8. Time and date by manual setting. 9. Receive and displays the radio controlled time and date (WWVB, DCF version available). 10. Automatically updates for daylight saving time (on / off option). 11. 12 or 24 hour time display. 12. Perpetual calendar. 13. Time alarm with snooze. 14. Can receive one sensor. 15. LED backlight. 16. Wall hanging or free standing. 17. Included transmitter WH2. 18. Synchronized instant reception. 1. Base station: 185x100x35mm 2. Sensor WH2: 91x70x32.5mm.