This digital gauge displays the voltage of batteries in the car.
With high brightness of LED, there is no difficulty in seeing the display.
Simple enough to use, just plug it into your lighter, watch your alternator''s output from idle to ac
You could diagnose your car''s alternator and battery ''on the fly''.
Package includes: 1* Mini LED Display Digital Car Volt Meter

Technical Details

Product Details

Package Dimensions
Width : 1.8 inch
Height : 0.5 inch
Length : 4 inch

Shipping Weight: 0.8 ounce (View shipping rates and policies)

ASIN : B0185234SO