Coral 2" Fuel Level Gauge (E-1/2-F)Perimeter-lighted Black dial with stylish White and Blue graphics, Black aluminum bezel with burnished leading edge, contoured White pointer, and flat glass lens.Fuel Level gauge operates by sending a low amperage current through the gauges meter to ground via a sending unit with variable resistance. The resistance of the sending units increase or decrease with the changes in pressure, temperature, etc...As the sender&';s resistance varies, the amount of current allowed to flow through it to ground changes and the meter deflects, showing the level of fuel.2" - Hole Size: 2.0625" (53mm)Specifications: Scratch Resistant Lens Black Aluminum Bezel Contoured White Pointer Factory P/N GP9346*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 Type: Fuel Level Gauge Size: 2" Series: Coral Box Set: No Box Dimensions: 3"H x 3"W x 4"L WT: 0.3 lbs UPC: 759266130012