Large LCD Screen and BacklightSize 3.6*3.4*0.94 inch, the upgraded hygrometer thermometer is equipped with 3.7 inch LCD screen, which is easier to read from any angle and long distance. Features white backlit touch icons, easy to read and turn on screen in dark conditions (15 seconds automatic). Max and Min Records The digital thermometer displays a record of the maximum and minimum humidity and the temperature for the past 24 hours, allowing you to take action in advance, such as adjusting the thermostat or temperature humidifier. (Note: Press and hold the F/C button to reset the MAX and MIN data.) Accurate and Fast UpdatesThe room thermometer refreshes every 10 times, providing you with the latest built-in sensitive sensor Date reading, temperature range -9.9~60C, accuracy 1; humidity range 10%~95% RH, accuracy 3% RH, suitable for indoor home, bedroom, baby room, kitchen, greenhouse, guitar room, office and wine cellar. Comfort IndicatorThe room thermometer includes wet/comfort/dry 3 icon levels, showing different temperature and humidity levels according to the air conditioner, allowing you to easily monitor the action needs of climate control and room health. Smart Design with 3 ButtonsWith 12/24/24 Hours (DD/MM) Mode and Date Stylish,