Item Name: Emergency Power Supply Battery Clip for Voltage Current Tools for Auto Car. 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 preset can be retained.Material: ABSThe interface connector between the 12V DC power supply and the OBD2 port of the vehicle.Maintenance of car computer memory dashboard information, digital clock, audio, memory seat, ABS, anti-skid system, electric inspection mirror.Size:As the picture shownIt adopts high-strength, high-quality copper wire and silicone flame-retardant cable, which is flexible and not easy to burn, and has good insulation.