12V Soil Humidity Adapter Controller Module Automatic Watering (BLUE)

Features:
- The surface with nickel plating process, widen the sensation area for a better testing soil humidity.
- Improve the electrical conductivity to prevent any rust problems.
- Control threshold value through a potentiometer, relay on when humidity lower than the set value and off when higher.
- Time-lapse function in 3 - 5 seconds.
- Available to undertake 1500W load.