Frost point alarm function [-1°C~ + 4°C (+ 30.2°F~ + 39.2°F)]
Comfort range: indoor temperature is between 20 ° C ~ 25 ° C (68 ° F ~ 77 ° F), indoor humidity is 40% RH ~ 70% RH; when the humidity range is greater than 70% RH, the humidity range is less than 40% When RH is displayed: When the temperature is higher than 25 ° C (77 ° F) or lower than 20 ° C (68 ° F), the humidity is 40% RH ~ 70% RH, no icon is displayed.
Method of operation:
Open the battery cover, remove the battery, replace the positive and negative terminals (positive side up), replace the battery and battery cover, and use the machine.
The main function:
[MAX / MIN] shows the indoor (MAX)/small (MIN) memory values for room temperature and humidity and outdoor temperature;
[°C / °F] switching temperature unit is displayed in °C (degrees Celsius) or °F (Fahrenheit);
[Clear] Clear large/small memory values;
[FREEZE ALT] frost point alarm switch;
Press the [FREEZE ALT] button for 2 seconds to turn on (with)/off (none) frost point alarm function.
Press [MAX / MIN], when MAX appears on the screen, press [CLEAR] to clear the larger value; press [MAX / MIN], when MIN appears on the screen, press [CLEAR] to clear the smaller one. value.
Type: Digital Thermometer
Place of Origin: Guangdong
Temperature measurement range: -40-70
Humidity measurement accuracy: 0.1
Dimensions (length x width x height): 8cm x 2cm x 7cm
If there is any problem with the machine, remove the battery for about 2 seconds and then reinstall it.
Please return the battery to the designated location after use.
Subject to technical changes without prior notice
This package includes:
1 x Indoor And Outdoor Thermometer Hygrometer With Clock Function Portable Frost Alarm