Specification Brand : Walfront BulletPoint1 : For Water Control: This 2 ball floats switch has a simple structure that does not require external power supply or complex circuits, providing convenient liquid level control. BulletPoint2 : Working Principle: The normal water inflow process is initiated by the lower floats switch, the upper floats switch stops working. Drainage is activated by the upper floats switch and deactivated by the lower floats switch. BulletPoint3 : Simple Operations: If the demand control range is large, a combination of 2 floats switches can be used to provide a larger stroke and ensure that the pump does not start frequently. BulletPoint4 : High Sensitivity: The internal contacts of the water level switch use high sensitivity reed tubes to ensure stable operations, equipped with 400mm wire to ensure convenient connection. BulletPoint5 : Wide Application: This water level floats switch can be used to control the liquid level of pools, sinks, etc., or as an alarm switch for the up and down of the liquid level. Color : Silver IncludedComponents : No ItemDisplayDimensions_Length : 8.46 inches ItemDisplayDimensions_Width : 2.2 inches ItemDisplayWeight : 0.12 pounds ItemName : Stainless Steel 2 Ball Floats Switch 100mm, Liquid Water Level Controller Sensor High Voltage 0‑220V, Convenient for Pools, Sinks ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 11 centimeters ItemPackageDimensions_Width : 10 centimeters ItemPackageQuantity : 2 ItemTypeKeyword : electronic-component-liquid-level-sensors Manufacturer : WALFRONT Material : Stainless Steel ModelName : Walfrontuqgv9kw75i ModelNumber : WALFRONTuqgv9kw75i NumberOfItems : 1 PartNumber : WALFRONTuqgv9kw75i ProductDescription : Specification: Item Type: 2 Ball Floats Switch Material: Stainless Steel Specification: Approx. 100mm / 3.9in Voltage: 0-220V Cable Length: Approx. 400mm / 15.7in