designed for nitrous applications onEFI motorcycles. This TPS switch allows the "OLD MICROSWITCH AND BRACKET CRUD" to get tossed. This unit hooks directly to your TPS switch and is easily adjusted. You can determine at what throttle position the switch activates. Once the wires are connected you will hold the throttle in the desired activation position and adjust the switch until the light comes on. It has coarse and fine adjustment for you pickey peoples. Once that is done your are ready to connect to your solenoids or controllers...whatever. Digital circuitry and comes with a 1 year warranty. WORKS FOR ANY EFI BIKE!!!! ZX12, busas,1000.you name it it does it! no more worries if the bracket bends or if the switch is going to rattle apart.