Professional Red 2" Voltmeter (10 to 16 AMPS)Perimeter-lighted black dial with stylish Red and White graphics, Black aluminum bezel, tear- drop White pointer, and flat glass lens.A voltmeter indicates the battery voltage and the general condition of the battery charging system. The meter requires no warm-up and indicates voltage changes instantly.2"- Hole Size: 2.0625" (53mm)Specifications:. Flat Glass Anti-fog, Scratch Resistant Lens. Black Aluminum Bezel. LED Illuminating around the Perimeter of the Dial. White Tear Drop Pointer. Factory P/N VP7042*Sold as an Individual**Gauge Cover not Included