Feature 1.Time display, including Hour, Minutes, Date 2.DCF (WWVB) radio controlled clock 3.Automatic daylight saving time function. 4.Time alarm disable/enable. 5.100 year calendar display (d-m-y or d-m-wd). 6.Weather Symbols and Barometer tendency display 7.Indoor air humidity/temperature measure and display. 8.Outdoor air humidity/temperature receiving and display. 9.Wind speed and wind direction display 10.Wind chill and Dew point temperature display 11.Rainfall data in 1hour,24hours, one week, one month and toal since last reset 12.Barometric pressure display in bar graph format 13.Storm warning alarm 14.Records of all minimum and maximum values along with time and date of their recordings. 15.LED back light 16.USB port for easy connection to your PC 17.Low battery indicator of main unit and the transmitter. 18.History data memory 19.(868MHz,915MHz or 433MHz, Transmission range up to 450 feet)