With this new switch, increased VTS functionality is at your fingertips by adjusting the RPM without the gauge. The switch is compatible with F25C, F30 through F115 and VF115 (remote control models only). This helm-mounted remote switch connects to tiller handle input on the outboard. A brand new way to make fishing (and boating) easier at a low cost with huge benefits. The switch comes with a 26 foot harness length.