High Sensitivity Liquid Water Level Sensor: Utilizes An Ultra-Sensitive Reed Switch For Accurate And Rapid Detection, Ensuring Reliable Monitoring In Tanks And Pools. Stainless Steel SUS304: Built To Last With Durable Stainless Steel That Resists Corrosion, Making It Suitable For Long-Term Use In Various Liquid Environments. Double Ball Water Level Controller: Features A Large Stroke Control Of 10Mm Per Float, Minimizing The Frequency Of Pump Starts And Enhancing Efficiency. Easy Conversion: Can Be Easily Modified From Normally Open To Normally Closed, Providing Flexibility For Different Liquid Control Requirements. Widely Applications: Suitable For Controlling Liquid Levels In A Broad Range Of Settings, Including Aquariums, Water Tanks, Swimming Pools, And More, For Comprehensive Liquid Management. Master The Art Of Liquid Level Control With Our Double Ball Water Level Controller. Designed With Precision And Durability In Mind, This Sensor Offers Unmatched Accuracy And Reliability In Monitoring And Managing Liquid Levels In Tanks, Pools, And Beyond. Crafted From High-Quality Stainless Steel SUS304, It's Built To Withstand The Test Of Time.