Soil Moisture Humidity with 12VDC Relay

1 Product

  • $3.50

    Soil Moisture Humidity Sensor with 12VDC Relay Description: Through the potentiometer adjusting soil moisture threshold control, automatic in garden, garden automatic watering, family flowerpot soil humidity control, all kinds of electronic games, with high power relay, can control large current device, less than setting humidity automatic start relay, greater than […]