1. Using 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; 2. 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; 3. 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; 4. High-quality products using Songle relay can withstand 1500W load, to meet the requirements of most people; 5. Products with power indicator
Specifications:
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. Product wiring information , refer to the picture below.
Package includes:
5 x Soil moisture sensor control module 10 x 20cm DuPont line
Roymall C.o.
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Direct purchase from the factory 
