Performance And Characteristics: 1. Simple Construction, Reliable Performance The product can output stable and reliable switch control signal of ?making?, ?breaking? without any fault action, so its reliability is very high and ant-interference is strong. 2. Sturdy and Durable, Need not Maintain The product can be used for a long time after it being installed. Almost no maintenance and repairing problem would occur during its operation period. 3. Easy Installation Method, Convenient Adjustment Method The liquid level control scope can be adjusted at will with the locating piece moving up and down. Only one screw is needed to secure the signal cable to finish installation. 4. Wide Application Scope, Strong Generality The product applies to branch water, sewage, acid-base solution of less than medium concentration, oils and situations requiring no pollution, diesel oil gasification kitchen range, and automatic fuel feeding. 5. Simple Circuit, Economical and Practical