The probe can be inserted directly into the soil. It is a digital display of soil moisture.When the humidity is below the set value starting pump starts watering, when humidity reaches the set value to stop watering.The operation is very simple. It is intelligent humanization.Parameters:Product name:Soil Moisture Controller ModuleModel: XH - M214Power supply voltage: DC 12 VOutput way: Output switchHumidity range: 20-99% RHControl precision: 1% RHControl current: 10 AUsing attention:You can choose the appropriate wiring mode according to the load voltage you use1. F0 setting start humidity(the humidity of the solenoid valve or the pump start working)Press the "SET" button to display "F0" and press the "SET" button to display the start humidity, and press +/ button to "SET" the humidity value2. F1 setting stop humidity (the humidity of the solenoid valve or the pump stops working)Press +/- button to switch to "F1", press the "SET" button to display the stop humidity value, and press +/ button to SET the humidity value3. F2 humidity correctionNormal use without correction error.The correction of values in the use of multiple modules at the same time is conducive to a unified management operation.Colour:As shownMaterial:plasticPackage Contents:1 * Moisture Controller ModuleOnly the above package content, other products are not included.Note: Light 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.