DC 6~30V Remote WIFI Thermostat High Precision Temperature Controller Module
10,94 €
(3) If the high and low temperature alarm needs to be set, set the high and low temperature alarm threshold by yourself. 1: Heating / cooling high and low temperature alarm. High temperature alarm: after the high temperature alarm is turned on, the relay is disconnected when the current temperature is higher than the high temperature alarm temperature;.
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