5.5V power adapter made by KARCHER. There are multiple model numbers. It can be used if the plug shape and voltage of 5.5V match. - Brand: KARCHER - Model Number: 6.654-300.0 - Input Voltage: 100-240V - Output Voltage: 5.5V - Output Current: 600mA - Connector Type: 2-pin For Karcher window vacuum cleaner Immediate purchase is welcome. Operation confirmed. Please check the condition carefully in the images before purchasing. The color of the photos may differ due to smartphone photography. Please understand. The items in the photos are all that are included. We cannot answer questions regarding the purchase date or the number of times used that are not mentioned in the description. Please refrain from purchasing if you are sensitive to such things. This item is stored at home. Please purchase only if you can agree to this. It will be shipped via Yu-packet Post or similar standards. Price negotiations are not accepted.