Feature:1. Back-Lit for easily night operation and more clear for reading the numbers.2. Universal to fit most vehicles with the 52mm/2in mounting size.3. High sensitivity and high accuracy to show you the accurate current.4. The 60-0-60 scales that works for most cases.5. Easy to install and more durable and lightweight with the plastic structure.Specification:Condition: 100% NewItem Type: AmmeterColor: BlackMaterial: PlasticScale: 60 - 0 - 60Application: for 12V SystemHole Diameter: Approx. 2inMeter OD: Approx. 16inMeter Depth From Front of Panel to the End of the Mounting Studs: 15in / 16inMounting Size: Approx. 52mm/2inDiameter: Approx. 53mm/2.1inScreen ID: Approx. 43mm/1.7inScreen OD: Approx. 56mm/2.2inWiring:- Red wire lead for + volt supply to internal lamp; black wire to system ground- Threaded terminal for connecting + volt supply in to meter- Threaded terminal for connecting + volt supply out of meter- Used to connect the threaded terminals outside the voltmeterPackage List:1 x Ammeter1 x Mounting FrameNote:When the white pointer stops working, take out the LED bulb from the rear and turn the white pointer several times with a thin wire, then check.