Can put in the refrigerator to measure the temperature and humidity

Temp. range: -40oC~70oC (-40oF~158oF)

Humidity range: 0 ~ 100%RH

32000 readings (16350 each for temperature and humidity)

Free selectable measurement cycle from 1 sec to 24 hours

LCD to show Max/Min/Date& Time/Thermo & Hygro

Display all status for Alarm and Record By 2 LEDs

Battery life: around 1-2 years (3.6V lithium Battery)

Alarm display if user-defined max/min values are exceeded

Analysis software used to view graphically or Text mode for logging data

Temp. / Humidity Accuracy: +/- 1oC/ +/- 3%RH

USB Computer Interface (Advanced Software Program for all windows)