Dual function. A snap to install and a perfect match with any engine; outboards, inboards or sterndrives. Johnson/Evinrude. Honda. Mariner. Mercruiser. Mercury. Nissan. OMC. Cobra. Suzuki. Tohatsu. U.S. Marine/Force. Volvo. Yamaha. Port or starboard installation with various cable entry angles. Push button for neutral engine warm-up. Trim switch in handle grip for one-hand operation. Neutral interlock prevents starting in gear. Adjustable brake prevents throttle creep.