Data logger EL-USB-2-LCD is measured and stored to 16,379 humidity measurement in the range of 0 to 100% RH to 16,379 and the measurement temperature range of from -35 ° C to + 80 ° C. The user can easily set the start time and frequency measurements, record the data into the computer via the USB port. The high-contrast screen can display various information about the temperature and humidity. By pressing the button, the user can choose between the current temperature and humidity, minimum and maximum values stored. Data logger is supplied with high-quality lithium battery that lasts about a year.