DUOYI DY18 Automotive Electrical Circuit Tester Power Probe 6-24V DC Pen Vehicle Diagnostic Tools Circuit Tester Scanner Device

DUOYI DY18 is an automotive electrical circuit tester and diagnostic tool designed for testing the voltage and current in the electrical circuits of vehicles. It can help diagnose problems in the wiring or circuits of cars, trucks, motorcycles, boats, and other vehicles. The tool is capable of testing circuits with a voltage range of 6-24V DC and can detect short circuits, open circuits, and other electrical issues. It comes in the form of a pen-like device that is easy to use and portable. The DUOYI DY18 is a useful tool for mechanics, technicians, and car enthusiasts who need to diagnose and repair electrical issues in vehicles.