Specification AgeRangeDescription : adult Brand : LiebeWH BulletPoint1 : NOTE: The water level switch cannot directly control solenoid valves or high-power relays, AC contactors, etc.A small relay(like HH54P) is needed for transition BulletPoint2 : USAGE METHOD: The action range of the two floats of the double switch is 10 mm. If the demand control range is large, two switch combinations can be used, so that there is a large stroke to ensure that the pump does not start frequently BulletPoint3 : WORKING PRINCIPLE: Normal water intake process activated by the switch below, and the switch stops working. The drain is activated by the switch and the lower switch stops working BulletPoint4 : WIDE USE: The double liquid level swich can be used to control the liquid level of the water , pool, sink, fish , etc. (drain or water), or to make the upper and lower alarm switch of the liquid level BulletPoint5 : HIGH SENSITIVITY: The contacts inside of this water level switch are made of a reed switch with very high sensitivity Color : One Color ExternallyAssignedProductIdentifier : 7060240725647 FinishType : Finish IncludedComponents : inc ItemName : Stainless Steel Switch Water Level Sensor Double Ball Water Level Controller Sensor Switch for Pool(200mm / 7.87in) ItemPackageDimensions_Height : 23.9 centimeters ItemPackageDimensions_Length : 4.2 centimeters ItemPackageDimensions_Width : 5.7 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : electronic-component-liquid-level-sensors Manufacturer : LiebeWH Material : 304 Stainless Steel ModelName : LABDIP ModelNumber : LABDIP NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : LiebeWHgafg7tvsdz2603-03 PowerSourceType : PowerSource ProductDescription : Specification: Voltage:DC 0~110V Material:304 Stainless Steel Size(Floating Body Length):(Optional) 100mm / 3.94in 150mm / 5.91in 200mm / 7.87in 250mm / 9.84in