Amazing Deal DC12V Soil Moisture Sensor Relay Control Module Automatic Watering Switch

Current Price: $7.39
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Features and Specifications:

• Adjusting soil moisture control threshold by potentiometer (clockwise to increase, counterclockwise to reduce), it can control soil humidity and automatically watering vegetable garden, flower garden or pot
• High quality soil moisture sensor has nickel plating surface, widened induction area, can improve conductive performance and prevent rust problem when contact with the soil to prolong service life
• It has time delay function, delay 3-5 seconds, when humidity is detected in the threshold state, the relay will not flicker
• This module can control humidity of soil in a wide range and set control threshold by adjusting potentiometer. When humidity is lower than the set value, relay is energized; when humidity is higher than the set value, relay is dis-energized
• Because this module has time delay function, when adjusting humidity, you need to wait for 5 to 8 seconds to check the change of relay, and the green LED lights will change, until it is adjusted as required
• More features

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