110ft Long Cable: Obd metal pins are gold plated for more reliable contact and electrical transmission. The cable is 10ft/3meter extra long. This way, when you don't have a jump starter on hand, you can replace the car battery or get an alternative 12V power supply from another car. 2Reliable Protection: 8 amp fuse is built into the memory saver for more reliable overload protection. Powered by any jump starter with a 12V socket into the Obd Ii memory saver. Interface connector between the 12V Dc power supply and the vehicle Obd Ii port. 3Purpose: Late model cars rely on a computer to operate. If the computer loses power, the settings will be lost. This means that the vehicle may feel different while driving and you may need to enter a security code to get into the stereo system. Memory saver will help you avoid these problems. 412V Ecu Memory Saver: The device can be used with any 12V Dc power supply, including jump starters, Dc 12V sealed batteries, or other automotive Dc 12V power sockets. Retain vehicle codes and electronic presets. 5Easy to Use: OBD2 memory saver is a convenient way to simply plug the cigarette lighter plug into this car and insert the 16 pin plug into the Obd port of the car where you want to replace the battery.