If you have to get up high, the fiberglass telescopic wand is the only way to go.  Perfect for cleaning gutters, eaves, 2nd story windows, big trucks and other hard to reach areas.  There are three sizes to choose from reaching up to 24 feet in length.  For added control, get the belt with the pole clamp.  Rated for up to 10.5 Gallons per minute, 4000 psi and 195°.  Includes both a 22mm European connection plug and an American 3/8 hose plug.