Autometer Old Tyme 2-1/16in Voltmeter 8-18V Short Sweep Electric AU1791

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.SPECIFICATIONS-Traditional Incandescent Lighting Illuminates Around the Permieter of the Dial-12 & 16 Volt Compatible, Well-Suited with Nearly Every Street Car or Race Car Electrical System-Gauge Kit Includes Bulb & Socket Assembly, Red & Green Bulb Covers, Mounting Hardware & Detailed Instructions for Installation-Autometer's Race Proven Air-Core Elelctric Instruments Provide Quick & Accurate Readings-Bulb & Socket: 3220-Light Covers: Red 3214 & Green 3215-Mounting Hardware: Brackets Included-Size: 2-1/16" (52.4mm)-Type: Air-Core-Range: 8-18V-Lighting: Incandescent