Yeeco DC 12V Digital Soil Moisture Sensor Meter, 20-99%RH Soil Plant Tester Kit Humidity Monitor Detector Measuring Auto Watering Gardening Tools for Home, Farm, Lawn
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<b>[Product Information]</b><br>
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<li>DC 12V power supply soil humidity monitor with prong type moisture sensor</li>
<li>Place the sensor in the soil and then you can monitor the humidity via the LED display</li>
<li>Build up your auto watering system with this huminity tester after setting the rate</li>
<li>With 3 buttons, "SET", "+", "-", easily set your rate and has LED working indicator</li>
<li>Use this gauge to switch on your pump to water your plants and stop watering when the humidity get to the rate</li>
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