The Surface Cleaner T 350 is not typically included with the Kärcher K4 Silent Home (CH version, Electrical connection) pressure washer. The standard package usually includes the pressure washer unit, a high-pressure hose, a spray lance, and a detergent suction tube, among other basic accessories. For specific details on what is included, it is best to refer to the manufacturer's official packaging list or the product description provided by the retailer.