describe Function 1. Temperature, humidity and time displayed on the same screen 2.12/24H switching 3. Fahrenheit/Celsius switching 4. Can be hung on the wall or placed on the table There are brackets and holes on the back Button settings: S: Long press to enter time settings, short press to switch to set hours and minutes UP: Normal time display status, short press to switch between Fahrenheit/Celsius. In the setting state, to add adjustment objects, press and hold to quickly add. DOWN: Normal time display status, short press to switch between 12/24 hours. In the setting state, to reduce the adjustment object, press and hold to quickly reduce it. Time setting: In normal display state, long press S to enter time setting. At this time, the hours are displayed. Use the UP or DOWN key to adjust to the required hour, then short press the S key to switch to set minutes, the hour and minute numbers flash, use the UP or DOWN key to adjust to the required minute. Then short press the S key to exit the setting interface. Product display Size: 9.6*5.8*1cm (12/24 hours)/5.2*3.5*2cm (12 hours) Humidity range: 10%-99% Temperature range: -10C (14F)--90C (194F) NOTE: The 12-hour format only displays the time and date.