Humidity: 10 to 95 %RH.
Temperature: 0 to 50.0 "C.
Barometer; 10 to 1100 hPa, mmHg, inHg
DC 1.5V ( UM-4, AAA ) battery x 6 PCs or DC 9V adapter in.
RS2321USB computer interface.
Monitor with real time data logger, save the measuring data
along the time information ( year, month, date, minute, second)
into the SD memory card and can be down load to the Excel,
Extra software is no need.