Quick Overview Keep tabs on the health and output of your vehicles electrical system safely and accurately. With a patented air core meter movement,this gauge operates with category defining accuracy anywhere from 8-18 volts on negative ground electrical systems. Installation is simple and it can keep you from being stranded on the side of the road. Attributes: GTIN: 00046074081927 Brand Name: AutoMeter Add-On: N/A Extended Information: Country of Origin: United States Emissions : Released Life Cycle Status: Available To Order Packing Information: Quantity of Each: 1 Package UOM: EA Dimension: 4.5 x 4.75 x 4.5 inches Weight: 0.5 lb