Catalog > Electro-Mechanical Components > Relays > Relay Sockets Relay Controlled Soil Moisture Sensor Controlled Soil Moisture Sensor Relay CMU MOISTURE SENSOR WITH RELAY RELAY CONTROLLED SOIL MOISTURE SENSOR , VOLTAGE: 12V DC ; INPUT CURRENT: MORE THAN 100MA LOAD : 250V 10A AC OR 30V 10A DC , THRESHOLD MAY BE ADJUSTED VIA THE ON BOARD POTENTIOMETER . 71.38 ZAR inc for 1 Each 0 in Stock Add Specifications, Prices & Availability may change without notice. Images are for illustration purposes only. E&OE Overview When the soil moisture is lower than the set humidity level , it triggers the relay , to control and start a pump or tap. Once the desired humidity level has been achieved, once again the relay is triggerred and the pump or watering device is stopped. Features Voltage: 12V DC; Input Current: More Than 100MA Load: 250V 10A AC OR 30V 10A DC