A: three-line extra large digital LCD display

1: clock function operation, 12/24 hours setting, press ADD key to set 12/24 hours system at a time.
2: normal debugging, press the SET key once, the minute number flickers, press the ADD key minute number pass
increase. Press the MODE Key, and the hour number flickers. Turn to the ADD key to increase the hour number. When
after completing the setting, press the SET key to exit and return to the normal state.
B: measuring range: Temperature 0 ℃ ~ 50 ℃ 32 ℃ ~ 122 ℃. Humidity 20% ~ 98%
accuracy: ± 1℃ 60%± 5%
c: usage:
there is a hanging buckle and a bracing plate on the back of this machine, which can be hung on the wall or on the desktop.
Open the battery door behind the machine and install a No. 7 battery. The screen displays the time, temperature and humidity.
There is a push button on the back of the machine. You can choose ℃/f.
Temperature and humidity maximum value and minimum value test:
press the MODE key twice to display the MAX letter. Turn to the MAX-MIN key to measure the maximum, minimum temperature and humidity values of memory. When MAX is displayed, the current maximum temperature and humidity are measured and memorized. Press RESET to clear the maximum temperature and humidity. When MIX is displayed, measure and remember the current minimum temperature and humidity value. Press RESET to clear the minimum temperature and humidity. Press the MODE button once to perform normal measurement again.
D: The font is blurred. Please replace the battery. (This product uses a No. 7 dry battery)

E: please use it in the working environment of 0℃ ~ 50℃.