TECHTONGDA Hot Sale 1 PC Indoor Digital LCD Temperature Humidity Meter Clock

Press "MODE" once, the 2 points not flashing, then press "MODE" about 2 seconds and the screen display 'Alarm' mode. Humidity range:10%~99% RH. Temperature range:Indoor&Outdoor -50~+70℃(-58~158°F）. Clock, Date, Calendar Function (Month and Date). ).

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