Product Specification: Temperature measurement range:-10 ℃ ~ +50 ℃ (+14 ℃ ~ +122 ℃)

Temperature measurement accuracy: ± 1 ℃(1.8 ℃)

Temperature resolution: ± 0.1 ℃(0.2 ℃)

Humidity measurement range: 10% to 99%RH

Humidity measurement accuracy: ± 5% RH

Humidity resolution: 1%

Battery: AAA1.5V

Basic function: temperature/humidity display

Temperature switching display

High/low temperature humidity memory function

12/24 hour clock

Hourly chiming functions

Daily alarm clock function

Calendar Display function

Operation Method: 1. Push the battery door according to the direction indicated by the back of the machine, install the battery, and then install the battery door back, the machine can be used.

2. Button function: [MODE] switch the clock and alarm clock display MODE/set the current clock, alarm clock, 12-hour or 24-hour system, date; [ADJ] adjust the value of the assigned item; [MEMORY] displays High & Low temperature humidity values in MEMORY/High & Low temperature humidity values in clear MEMORY; [℃/℉] switching temperature units in ℃ (℃) or ℉ (Fahrenheit) display; [RESET] clears all Settings & memory values and returns the initial state.

3. Press and hold [MODE] for 2 seconds in the initial state, and the number of minutes of the current time starts to flash. Press [ADJ] to adjust the number of minutes. Press [MODE] continuously to set "clock", "12/24", "month (M)", "Day (D)".

4. In the current clock MODE (two points between clock and minute flash once per second), Press [MODE] once to switch to the alarm MODE (two points between clock and minute do not flash), press [ADJ] to switch the Alarm function/hourly chiming () function switch, and then press [MODE] for 2 seconds to set the Alarm time, at the same time, the "hourly chiming" function is started, and the () symbol appears.

5. In the alarm mode, if there is no operation, the current clock will be automatically returned after one minute. In this case, Press [ADJ] once to switch to the calendar display, and the current clock will be automatically returned after 3 seconds, press the [MEMORY] Button to display the maximum/minimum value of the temperature/humidity since the last CLEAR.

6. Press [MOEMORY] to display the maximum temperature/humidity (MAX) and minimum value (MIN) of the MEMORY, and press [MEMORY] for more than 2 seconds to clear the maximum/minimum value.

7. Button F °/C ° conversion in the bracket.