. The device can use any 12V DC power supply, including jump starters, DC 12V lead-acid batteries, or other car's DC 12V power outlets. To prevent the loss of electronic memory when the vehicle battery is disconnected, the vehicle code and electronic presets can be retained. Provides a connection interface between the 12V DC power supply and the OBD2 port of the vehicle. Constructed with high-strength, high-quality copper wire and silicone flame-retardant cable, offering flexibility, durability, and good insulation. Helps maintain car computer memory, dashboard information, digital clock, audio settings, memory functions, ABS, anti-skid system, and electric side mirrors. Color: blue + black Material: plastic Package Contents: 1 x Car Diagnostic Tool Note: Only the items listed above are included. Other products are not included. Note: Lighting and display differences may cause slight variations in color between the image and the actual item. Measurement may vary by +/- 1-3 cm.