It is microprocessor controlled.  It has 50-250 Fahrenheit degree range of accuracy.  It works with any vehicle.  It is precise, super bright, and intelligent all in one. 
 
Features include:

2 1/16 inch diameter, only 1 1/2 inch deep;

Automatic night-dimming;

Sending unit (S8013) included (Please note if you need a 3/8" bushing because we send the more common 1/2" bushing--otherwise, you will have to supply the bushing on your own);

and In-dash mounting hardware!

Lifetime warranty!

Made in the USA!