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. Modern white LED through-the-dial lighting provides clear visibility during nighttime use 12 and 16 volt compatible, well-suited with nearly every street car or race car electrical system Gauge kit includes mounting hardware and detailed instructions for installation Autometers Race Proven Air-Core Electric Instruments Provide Quick And Accurate Readings Attributes: GTIN: 00046074012938 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 4.5 x 4.5 inches Weight: 0.5 lb PDF: PDF: 2650-1079