Autometer is the standard within the industry for performance, accuracy & durability. With a patented air core meter movement, this gauge operates with stunning accuracy anywhere from 8-18 volts on negative ground electrical systems.
SPECIFICATIONS -Traditional Incandescent Lighting Illuminates Around the Perimeter of the Dial -12 & 16 Volt Compatible, Well-Suited with Nearly Every Street or Race Car Electrical System -Gauge Kit Includes Bulb & Socket Assembly, Red & Green Bulb Covers, Mounting Hardware & Detailed Instructions for Installation -Autometer has Track Record of Providing Quick & Accurate Readings -Bulb & Socket: 3220 -Light Covers: Red 3214 & Green 3215 -Mounting Hardware: 2230 -Size: 2-1/16" (52.4mm) -Type: Air-Core -Range: 8-18V -Lighting: Incandescent