The temperature and humidity meter has high accuracy with a temperature difference of 23 degrees Celsius and a humidity error within 10, providing high performance.The product has the functions of temperature display, humidity display, time display, calendar display, memory function and alarm clock, which is multifunctional and practical.The temperature and humidity meter is made of ABS and is environmentally friendly and durable to use.The length of the temperature and humidity meter is 10.3 cm, the width is 9.3 cm and the height is 1.25 cm.The temperature and humidity meter is suitable for use at home, in the office, in the dormitory and so on.Item name Temperature and humidity meterMaterial ABSModel HTC1Temperature measurement range 20 degrees Celsius60 degrees CelsiusHumidity measurement range 1099 RHTemperature measurement accuracy 2 degrees CelsiusHumidity measurement accuracy 20 RHBattery 1AAA battery not includedFeatures Multifunctional, Alarm clock, AccurateSize details10.3cm9.3cm2.15 cm4.063.660.85 ApproximatelyNotesDue to the difference in light and screen setting, the items color may be slightly different from the pictures.Please allow slight dimension difference due to manual measurement.If there is any defect in this product, remove the battery and reinstall it.Temperature difference of 23 degrees and humidity error within 10 is relatively normal.The power of this product is small, please use ordinary carbon batteries.Button function1, MODE Select between clock and alarm modes, set current time, alarm clock, 12 or 24 hour system, date. ADJ Adjust the value of the set item. MEMORY Display the highest and lowest temperature and humidity value in memory, clear the memory, the highest and lowest temperature and humidity value, CF Select temperature unit to display in C Celsius or F Fahrenheit.2, In the initial state, press and hold MODE for 1 second, the minutes of the current time will start flashing, press ADJ to adjust the minutes, and continuously press MODE to set the hour, 1224, month M, Day D.3. In the current clock mode, the two dots between the hour and minute flash once per second, short press the HOME button to select the time display to the alarm mode, the two dots between the hour and minute do not flash, press ADJ at this time, you can select the Alarm Alarm Hourly reminder function, and then press MODE for 2 seconds, you can set the alarm time and start the Hourly reminder function at the same time,symbol is displayed.4. In the alarm mode, if there is no action, it will automatically return to the current time after one minute. At this time, press ADJ once to select the calendar display and automatically return to the current time after 3 seconds.5. Press MEMORY to display the maximum value MA and the minimum value MIN of the temperature humidity memory. Press and hold MEMORY for more than 2 seconds to clear the maximum value in the memory.The package contains1Temperature and humidity meter