Pro Parts P73020 Spek-Pro Electric Pillar Kit (0-35 PSI Boost /0-2000 Degree F Pyrometer /100-300 Degree F Trans Temp) 7 color user-selectable background illuminations (red, blue, green, white, yellow, orange, and violet) with adjustable brightness for day and night - with independent dimming of dial and pointer. Configurable "High" and "Low" warnings using three on-instrument-face buttons Pro-Control output enables a 1.5 amp load to activate a relay and trigger your choice of warning lights, external buzzers, fans, pumps, or features such as water/meth/nitrous injection. Features a peak recall function, which enables the user to review high gauge readings. The highest reading will be stored by the gauge until it is cleared. Includes patented light-weight, spin-on bracket and pre-wired harness for simplified installation.