Euro Black 2" Ammeter Gauge (60-0-60 AMP)Perimeter-lighted Black dial with bold White graphics, Black aluminum bezel, contoured White pointer and flat glass lens.An ammeter indicates the current flow through the battery charging system. A "zero center" ammeter, during charging, shows a (+) positive reading indicating the current is flowing to the battery (charge). A (-) negative reading indicates current flowing away from the battery (discharge.)2" - Hole size: 2.0625" (53mm) Specifications: Anti-scratch glass lens 12 VDC negative ground Perimeter-lighted Black dial Can be adapted for 24 VDC systems Factory P/N AP9523*Sold as an Individual**Gauge Cover not IncludedThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns. Specifications: Voltage - Input Range (Volts): 12/24 V Gauge Size: 2" Box Set: No Gauge Type: Voltmeter/Ammeter Series: Euro Black Box Dimensions: 4"H x 4"W x 5"L WT: 0.25 lbs UPC: 759266128224