The karcher k4 premium full control car home pressure washer with a hose reel on the back of the unit that makes winding and unwinding your high pressure hose even easier uses a quick connect hose system eliminating kinking and reduces set up time to make it even easier to use complete with the full control lance and trigger gun which guides users on the ideal pressure setting for the area being cleaned use the led display on the full control trigger gun to guide you achieving the best possibl