W1209 XH-M452 12V LED Digital Display Thermostat Temperature Humidity Controller

(OLED LED&RGB. Nano Sheild. 6) Set to start humidity: Long press the (+) key, start the humidity value flashing, set by + / - key launch humidity value. 7) Set stop humidity: long press (-) to stop humidity value, set by + / - key to stop the humidity value.

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