With a large LCD screen, this easy-to-operate hygrothermograph can be used to detect real-time / 24-hour values of temperature and humidity. In addition, it can display the comfort reminder according to the real-time humidity. Features: [Quality Materials] Made of selected ABS material, the shell is much more durable to prevent yellowing. [HD Display] Large LCD display screen with backlight, easier and clearer to read values. [Maximum & Minimum] Besides measuring real-time temperature and humidity all the time, it can also detect the maximum and minimum values of temperature and humidity within 24 hours, and the real-time trend arrow is displayed on the LCD screen. [Upper & Lower Limit Alarm Setting] When it exceeds the set value, the meter will give a sound and light alarm. [Comfort Reminder] Humidity level icon (DRY / COMFORT / WET) is displayed on the screen according to the real-time humidity to remind you to humidify ordehumidify. (DRY: below 50%RH, COMFORT: 50%~70%RH, WET: over 70%RH). [/ Switchable] Click once to switch temperature unit (/), easy to operate. [Dual Fixation Method] With the 45 hidden bracket and the magnetic feature, the meter can be put vertically or stuck on the metal surface to meet different placement needs of users. [Wide Applications] Suitable for home, office, bedroom, study, flower room, wine cellar, etc. Specifications: Material: ABS Model: TS-9909-W / TS-9909-B (Optional) Color: White / Black (Optional) Power Supply: 2 * AAA battery (NOT included) Item Size: Approx. 8.5*9*2cm / 3.35*3.54*0.79in Item Weight: Approx. 77.8g / 2.74oz Package Size: Approx. 8.8*9.5*2.5cm / 3.46*3.74*0.98in Package Weight: Approx. 89.4g / 3.15oz Packing List: 1 * Temperature Humidity Meter 1 * User Manual (English)