Electronic pressure switch automatically starts and stops the pump on demand on the pressure side. Float switch automatically starts/stops the pump and prevents dry running. The ideal solution for converting a garden pump to a high-pressure pump for domestic use. Comaptible with the following Karcher machines (may also be suitable for products released after this list was compiled):BP 2 CisternBP 3 Home & GardenBP 4 Deep WellBP 4 Home & GardenBP 4.500 GardenBP 4.500 Garden Set PlusBP 5 Home & GardenBP 5.000 GardenBP 5.000 Garden Set PlusBP 6 Deep WellBP 6.000 GardenBP 6.000 Garden SetBP 7.000 Garden Features & BenefitsElectronic pressure switchSwitches the pump on and off automatically based on the amount of water requiredDry-run protection: switches off the pump when no water is running through itIdeal for converting a garden pump into an electronic booster pump SpecificationsDimensions: 135mm x 100mm x 190mmProduct Weight: 1kg