the direction indicated by the open rear battery cover, remove the battery separator, and then replace the battery cover, the machine can be used.
1.The bold, easy to read LCD screen displays the current indoor outdoor temperature and humidity percentages.
2. With a temperature and humidity percentages trend indicator arrow and daily high and low information.
3.Display stands upright for tabletop use or is wall-mountable.
4. Includes all-time / 24 hours high and low records for temperature and humidity.
5.You can simplify reset the temperature and humidity.
Uses: for Aquarium, refrigerator, freezer, pantry, greenhouse and etc environment long-term testing, cooking food, homework, gym workout, sports, games, office etc..
Indoor temperature & indoor humidity display
temperature unit / changeable
memorized MAZ/MIN values of indoor temperature and humidity display in the same time
Display of comfort degree
LCD screen shows a lovely smile when the indoor temperature is in the range of 18-26(+64-79), otherwise, crying face.
Temperature range: indoor -20(Celsius degree)~+70(Celsius degree)
Humidity range: indoor 20%-95% RH
Display of comfort degree: temperature is 18(Celsius degree)~+26(Celsius degree) indoor humidity 40%RH~+65%RH
Power supply: 1.5V(AG size) button battery × 1(each include)
If there is any bad machine
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