【Backlight and Touch Panel Function】 Since the greenhouse gauge has a touch panel and backlight function, it is convenient to read the setting and reading even in dimly lit places. • [Multifunctional Digital Temperature / Hygrometer] Since the interval between humidity and temperature measurement is about 10 seconds, accurate temperature and humidity values ​​can be provided. At the same time the humidity level icon shows the current air condition - DRY / COMFORT / WET. • [Display of Maximum Minimum Temperature / Humidity] The current room temperature and humidity are displayed for easy viewing, and simultaneously the highest and lowest numerical values ​​are displayed. You can switch between this highest and lowest data by automatic reset in 24 hours or the highest minimum in all periods until resetting with one button. • Measuring range of the room temperature gauge: temperature (-50 ° C to 70 ° C), humidity (10% to 99% RH), display unit: temperature (0.1 ° C), humidity (1% RH). Body size: 11 cm × 8.5 cm × 2.4 cm. • [Three installation methods] Since the indoor temperature hygrometer has a table stand, magnet and wall hook hole, it can be installed in various places in the house. AAA batteries (1.5 V) are included.