Features: brand new and high quality The device can use any 12V for DC power supply, including jump starters, for DC 12V lead-acid batteries or other car's for DC 12V power outlets. To prevent the loss of electronic memory when the vehicle battery is disconnected, the vehicle code and electronic preset can be retained. The interface connector between the 12V for DC power supply and the OBD2 port of the vehicle. It adopts high-strength, high-quality copper wire and silicone flame-retardant cable, which is flexible and not easy to burn, and has good insulation. Maintenance of car computer memory dashboard information, digital clock, audio, memory for seat, ABS, anti-skid system, electric inspection mirror. Specifications: Material: ABS Package Includes: 1x Car Diagnostic Tool note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.