The Kärcher K 4 Power Control provides even greater cleaning control using the tips and tricks in the Kärcher Home & Garden app, which suggests the optimal pressure level for the selected cleaning job. The app also offers other useful functions such as assembly instructions, maintenance and care instructions, as well as the Kärcher Service portal. Using the Vario Power Spray Wand, with it's simple twist pressure adjustment, you can quickly switch between cleaning tasks. The patented DirtBlaster