| Product description |
| Product specification: temperature measurement range: - 10 ºC ~ + 50 ºC |
| Temperature measurement accuracy: ± 1 ºC (1.8 ºF) |
| Temperature resolution: 01 ºC(0.2ºF) |
| Humidity measurement range: 10% RH ~ 99% RH |
| Humidity measurement accuracy: ± 5% RH |
| Humidity resolution: 1% |
| Battery used: AAA 1.5V |
| Basic function: temperature / humidity display |
| ºC / ºF temperature switching display |
| Maximum / minimum humidity memory function |
| 12 / 24 hour clock |
| Hourly chime function |
| Daily alarm function |
| Calendar display function |
Operation method:
1. Open the battery door according to the direction indicated on the back of the machine, take out the battery spacer, and then replace the battery door. The machine can be used
2. Key function: [mode] switch the display mode of clock and alarm clock / set the current time, alarm clock, 12 or 24 / hour system, date: [adj] adjust the value of the set item; [memory] display the maximum & minimum humidity value in memory / clear the maximum & minimum humidity value in memory; [ºC / ºF] switch the display of temperature unit ºC (Celsius) or ºF (Fahrenheit); [reset] clear all set & memory values and return to the initial state
3. In the initial state, press and hold [mode] for 2 seconds, and the minutes of the current time begin to flash. Press [adj] to adjust the minutes. Press [mode] continuously to set "clock", "12 / 24 ''," month (m) "and" day (d) "respectively
4. In the current clock mode (the two points between the clock and the minute flash once per second), press [mode] once to switch the display to the alarm mode (the two points between the clock and the minute do not flash). At this time, press [adj] to switch the "alarm" function / the "hour" function on and off. Press and hold [mode] for 2 seconds to set the alarm time and start the "hour" function at the same time, () symbol appears
5. 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 three seconds. Press max / min button to display the maximum value of temperature / humidity since the last clear
6. Press [memory] to display the maximum value (max) and minimum value (min) of temperature / humidity. Press and hold [memory] for more than 2 seconds to clear the maximum value
Note: please return the battery to the place designated by the government after it is used up
Audited Supplier 
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