Drived by stepping motor
65mm (2.5 inches) diameter
Bright led illumination gauge face
Black background with whiter scale wire
Easy to read display at night
Include necessary fittings and instruction manual
High precision & quick response
Precise electrical sensor
Does not require any Control Unit for use
Tinted glass sleek look when off
So can someone please tell me what the real benefit/gain is by installing one of these? (Besides bling) What does it tell us and how will we use it for diagnostics? Cheers.