SPA's Fuel pressure and water temperature gauge has been designed with many and varied applications in mind from performance cars, motorcycles, planes, boats and even machinery. They have a choice of backlit illumination either user switchable red/amber/green or blue only This fuel pressure and water temperature dual gauge represents one of the most accurate oil pressure monitoring devices available. High resolution mode allows 1/10 of 1 psi resolution, user programmable alarm conditions for any application and peak recall of maximum values. Kit is fully inclusive of all sensors and wiring as well as comprehensive user manual.