![Autometer Marine Carbon Fiber 2-1/16in 18V Electric Voltmeter Gauge](http://throwdownperformance.com/cdn/shop/products/f111195500421d260b77eec7b1c9de63_{width}x.jpg?v=1650463020)
Keep tabs on the health and output of your boat's 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 water.