NO.218D  thermometer ~ Hygrometer Manual
*Temperature range: 0°C ~ 50°C   32°F ~ 122°F
*Resolution: 0.1°C
*Accuracy: ± 1°C
*Humidity Range: 10% RH ~ 95% RH.
* Accuracy: 60%  ± 5% RH
*Celsius Fahrenheit Conversion: °C / °F
*MAX / MIN button: Displays the maximum / minimum temperature or remove humidity,
*the maximum / minimum temperature humidity records.

 

In the normal state, according to MAX / MIN key to switch showed the largest →minimum→ value of the current temperature and humidity.
In the MAX or MIN displays status, no buttons automatically after 8 seconds to return the current temperature and humidity display.
The maximum / minimum temperature recorded humidity removal,
in the MAX or MIN of the state, hold down the MAX / MIN button 2 seconds clear of the show the highest / most low humidity, and return the current temperature and humidity display.
RESET button: clear reset.
Fix the unit on a wall or palce on desktop.
Product use one (1.5V) AAA batteries. Font fuzzy, please replace the battery, and
Pattention to environmental protection.