TOFKE DIY Water Level Switch Sensor ControllerDrainage Control Circuit Board

*DIY Water Level Switch Sensor Controller . Feature: *This product is based on the actual use of domestic factories and pumping. *The product is based on the detection water level of the pool (water tower) to control high current relay to achieve control pumping. *With small, simple wiring, low power, high switching capacity, strong anti-interference function and high stability. *Can steady achieve the pool (towers) automatically open the pump when lack of water, automatically stop the pump (solenoid valve) when full of water. *The product does not need to buy another probe, using household wiring can replace probe. Feedback: We greatly appreciate your POSITIVE feedback. Please do NOT leave negative feedback without asking for help. Our aim is to provide Top Level Customer Service, so we will try our best to solve any problem. Thank you very much!