ITEM NAME:DC 12V Automatic Water Soil Moisture Sensor Control Controller Relay Module gfd Descriptio n Description: Using The Company'S High-Quality Soil Sensors Do Detect Soil Moisture , The Surface Of Nickel Plated , Has Widened The Induction Area Can Improve Conductivity, Prevent Contact With The Soil Rust Problems And Prolong Life ; When Two Products Can Control A Wide Range Of Soil Moisture , The Corresponding Threshold By Adjusting Potentiometer Control , Humidity Is Below The Set Value, Start Relay , While Higher Than The Set Value, The Relay Is Disconnected ; Products With The Delay Function , Delay Of 3-5 Seconds , When The Humidity Is Detected In The Critical State, The Relay Will Not Blink , Flicker Occurs ; High-Quality Products Using Songle Relay Can Withstand 1500W Load , To Meet The Requirements Of Most People ; Products With Power Indicator And Relay Instructions ; Parameters: Supply Voltage: 12VDC Input Current : More Than 100ma Load: 250V 10A AC Or 30V 10A DC ( Below Current In This Range Can Be Used) Module For Use: Sensor For Detecting Moisture In The Soil ; Module Is The Blue Potentiometer To Adjust The Threshold For Soil Moisture , Clockwise Adjustment, Control Humidity Will Be Bigger, Smaller Counter-Clockwise ; Due To The Module With Delay Function In The Regulation Of Humidity Values ?? Adjusted Once Every 5-8 Seconds To Wait Around To See If Changes In The Relay , The Green LED Lights Also Have A Corresponding Change Until Transferred To Meet The Requirement. Material: CCL Color: Blue Note: Light Shooting And Different Displays May Cause The Color Of The Item In The Picture A Little Different From The Real Thing. The Measurement Allowed Error Is +/- 1-3cm. Package Included: 1 * Set Of Soil Moisture Control Module And Soil Sensor 2 * 20cm Long Lines High quality buy, happy buyï ¼ DC 12V Automatic Water Soil Moisture Sensor Control Controller Relay Module.Products With The Delay Function, Delay Of 3-5 Seconds, When The Humidity Is Detected In The Critical State, The Relay Will Not Blink, Flicker Occurs ;. Due To The Module With Delay Function In The Regulation Of Humidity Values ??.