The Tusk RPM Launch Control Device is a universal LED RPM indicator that has a primary function of letting you know when you're at your desired RPM level for more consistent gate drops as well as a secondary function of indicating when you should shift. If you're looking for an edge over your competition in getting the maximum amount of power to the ground for holeshots, then the Tusk Launch Control device is the perfect tool for you! -Device and harness plugs are water-resistant.