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Description:The temperature humidity meter features high accuracy with temperature difference of 2-3 degrees Celsius and humidity error within 10%, which has 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.Made of ABS, the temperature humidity meter is eco-friendly and durable to use.The length of the temperature humidity meter is 10.3cm, width is 9.3cm and height is 1.25cm.The temperature humidity meter is suitable for being used in home, office, dormitory and so on.Item Name: Temperature Humidity MeterMaterial: ABSModel: HTC-1 Temperature Measurement Range: -20 Degrees Celsius-60 Degrees Celsius Humidity Measurement Range: 10%-99% RH Temperature Measurement Accuracy: ±2 Degrees Celsius Humidity Measurement Accuracy: ±20% RH Battery: 1 x AAA Battery(Not Included) Features: Multifunctional, Alarm Clock AccurateSize Details: 10.3cm x 9.3cm x 2.15cm/4.06" x 3.66" x 0.85" (Approx.)Notes:Due to the light and the screen setting difference, the item's color may slightly differs from the pictures.Please allow slight dimension difference due to the manual measurement.If there is any defect in this product, please remove the battery and reinstall it.Temperature difference of 2-3 degrees and humidity error within 10% is relatively normal.The power of this product is small, please use ordinary carbon batteries.Button Function:1, MODE: Switch between clock and alarm display modes, set the current time, alarm clock, 12 or 24 hour system, date. ADJ: Adjust the value of the set item. MEMORY: Display the highest/lowest temperature and humidity value in the memory, clear the memory, the highest/lowest temperature humidity value, C/F: Switch 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 start to flash, press ADJ to adjust the minutes, and press MODE continuously to set the "clock", "12/24", "month (M)", " Day (D)".3, In the current clock mode, (the two points between the clock and the minute flash once per second), short press the HOME button to switch the time display to the alarm mode (the two points between the clock and the minute do not flash), press ADJ at this time, You can switch the "Alarm" (Alarm) function/"Hourly Point Reminder" function, and then press MODE for 2 seconds, you can set the alarm time, and start the "V Hourly Point Reminder" function at the same time, () symbol appear.4, In the alarm mode, if there is no operation, it will automatically return to the current clock after one minute. At this time, press ADJ once to switch to the calendar display, and automatically return to the current clock after 3 seconds.5, Press MEMORY to display the maximum value (MAX) and minimum value (MIN) of the temperature/humidity memory. Press and hold MEMORY for more than 2 seconds to clear the maximum/minimum value of the memory.Package Includes:1 x Temperature Humidity Meter