These data loggers can measure and store humidity /
temperature readings automatically. It has a large LCD that can display
realtime readings and logging information. This unit can send GSM/SMS alarm
message to authorized user mobile phone if humidity/temperature exceeds set
limits, and the user can dial the data logger through any mobile phone to
get humidity and temperature readings. User can easily use the software to
setup and download data to PC via USB. And user can view, analyse and print
the data, or export other file formats(txt, xls, csv, bmp, jpg).