All Premium Series gauges comes with a free mounting cup Premium Series Gauges (Peak Recall/warning) Amber/White 2-1/16" (52mm) & 2-3/8" (60mm) Premium Gauges feature a fully programmable Warning function and have a Peak recall ability. "We Don't Need No Stinkin' Controller" These are fully programmable to allow you to set the warning feature to flash the full face red, off, red.. once the gauge reaches your pre-set limit. In addition to visual warning, there is a loud beep. The beep can be silenced. 270° dial sweep provides quick one glance accuracy. Track tested and race proven these gauges use precision electric senders to keep hazardous fluids out of the passenger compartment. All of the Premium Series gauges perform a dramatic opening ceremony with a full pointer sweep each time the vehicle is turned on AND off. These are very easy to use, all programming is done from the front push button! Wire up the first gauge for power and daisy chain the power to each gauge as needed! (Excluding AFR wideband gauge) As only Prosport would do, the Daisy chain power leads come with them! Nothing more to buy. These Gauges are Super Thin! Perfect for tight mounting options.