This unit can display current time and date, and determine whether the environmentis comfortable, too wet or too dry. Alarm function, temperature unit selection,storage of Max.and Min.. temperature and humidity values are available. It isvery useful and easy to use.* Current time and date display* Time alarm function* 12/24 hours clock* "C/F" temperature* Relative humidity and relevant comfort degree* Real time indications of temperature and humidity fluctuation producing area:China