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Backlight color prompt for beyond-limit temperature/humidity
Temperature/Humidity calibration function
Waterproof grade: IPX4
2.Power supply:
1. Power supply through USB DC power cable(when the DC cable is plugged
in, the backlight indicator turns on for 8 seconds, and then automatically dies out
if no buttons are pressed. To keep the backlight indicator constantly on, long
press [CLEAR] for at east 2 seconds until the beep sound is heard, andthen enable
Always On of the backlight indicator. To disable Always On of the backlight in
dicator, long press [CLEAR] for at least 2 seconds until the beep sound is heard,
and then disable Always On. During the countdown and alarming periods, the
backlight indicator is always on, regardless of whether the DC cable is plugged in
or not.
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