1) Indoor environment comfort-level icons 2) RCC with WWWVB Version (America)3) 3 remote transmitters via RF (Temperature & Humidity)4) Temperature Trend Indicator5) Barometric Trend Indicator within 12 hours6) 12 hours History Record of Barometric 7) Mb/hpa or inHg selectable8) Time Display9) 5-grade Weather Forecast 10) Indoor Temperature 11) Indoor Humidity12) Multi-language Weekday display13) Perpetual Calendar14) 8-grade Moon Phase Display15) Min/Max memory for in/out door humidity16) Min/Max memory for in/out door temperature17) Temperature Alert Function 18) Dual Alarm Function 19) 5 minutes Snooze Alarm Function 20) Low Battery Indicator 21) Backlight Function 22) Press Button Indicator 23) Deg C/ Deg F selectable24) 12/24 hours selectable producing area:China