HATUSOKU ON04 LED Digital Thermo-Hygrometer for Commercial and Home Use, Easy To Read, Manual Calibration, Max/Min Recording Function

[LED Display for Excellent Readability] The LED display provides excellent visibility. It's clearly visible even from a distance, making this thermometer/hygrometer easy to read in homes, offices, factories, and other workplaces. [LED Brightness Adjustment] The LED display's brightness can be adjusted to three levels. It's clearly visible even in brightly lit offices, and not too dazzling in dark rooms like bedrooms. [Temperature and Humidity Alarm Settings] Alarms can be set to sound when the temperature and humidity exceed their upper and lower limits. This is useful for combating heat and dryness. [Manual Calibration] You can manually calibrate the temperature and humidity in 0.1°C and 0.1% increments. Recommended for those seeking greater accuracy. [Maximum and Minimum Value Display] The maximum and minimum values ​​can be displayed, allowing you to check past indoor conditions.