Includes SYNERGY SERIES Polished Knob, Bezel & Accent Rings. This switch will operate most newer wiper systems in vehicles having a single motor and 2 wiper blades. It is also excellent for Specialty Power Windows and other wiper motor suppliers' motors. It will handle most single motors with two wiper arms (12 volt applications only.) It has self parking & washer controller if desired. Body is 2" by 2" by 2". Requires a 7/16" mounting hole.