DC 12V Dual LED Display Temperature Controller Switch Module Relay Output Board
6,58 €
Refresh rate: 0.5S. Indicator light: If the relay is disconnected, the indicator light goes out. If the relay is on, the indicator light will be on. Relay Module. If the detected temperature ≥ start temperature, the relay will turn on and start cooling mode; if detected temperature ≤ stop temperature, the relay will turn off and stop cooling mode.
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