155 DUAL DISPLAY, TEMP GUAGE, INSIDE-OUTSIDE, RED CHROME

Range -99 F to 150 F, Accuracy 1F or -76C to 65C, Accuracy 0.5C

Designed to monitor the inside and outside temperature at the same time. When the outside temperature drops to 34F the gauge will flash and scroll "ICE" to warn you of potential ice on the road. There is a switch on the front of the gauge to select F or C. Comes with (2) 10' sensor cables.
Mounts in a standard 2 1/16" Hole.