Made in USA ACTRON Analyzer Tach/Dwell/Voltmeter for 12 Volt Electronic or Conventional Ignition Systems Model No 617 This analyzer tests 12 volt conventional & electronic ignition systems using vehicles battery 4,6 or 8 cylinders domestic or imported. It is housed in a red polycarbonate housing with a 6" meter. No batteries are required, it is powered from the car's 12v system. All the pictures are of the actual item. We try to take as high resolution pictures as possible to fully be transparent to our buyers. We will ensure quick shipping after payment. If there are any issues with your order, please contact us and we will quickly resolve it. Feel free to message with any questions. Thanks for looking at our listing!