Chesapeake White SS 2″ Fuel Level Gauge (E-1/2-F)Perimeter-lighted White dial with stylish Blue and White graphics, polished stainless steel bezel, contoured White pointer and domed 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:Anti-scratch glass lensPerimeter lighted back light12 VDC negative groundCan be adapted for 24 VDC systemsFactory P/N GP9373*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:Gauge Type: Fuel LevelSeries: Chesapeake WhiteGauge Size: 2″Box Set: NoVoltage – Input Range (Volts): 12/24 VBox Dimensions: 4″H x 4″W x 5″L WT: 0.3 lbsUPC: 759266138018Quick Guide (pdf)