Feature: Specification: <strong>Descriptions:</strong><ul> <li>    When you want to replace your cars battery, if the power is lost to the computer, the settings are lost and reset to default.</li> <li>    This means the vehicle may feel different when driven, and you may have to enter a security code to access the stereo.</li> <li>    your cars clock will change, speaker and anti-theft will stuck, glasses and throttle valve will be reset, alarm light will keep going with fault code.</li> <li>    Using this simple tool when replacing your car battery will help you avoid these problems.</li></ul><br /><strong>Instructions:</strong><ol> <li>    Red clip Connect to the positive, black clip connected to the negative</li> <li>    The red light will turn on and then insert the car's OBD plug. At that moment, the product will beeps,  it means connection is normal.</li> <li>    Now ,You can replace the storage battery. Note: when replacing battery, do not open the headlights and other electrical equipment.</li> <li>    After replaced the storage battery, release the red clip of the tool. If the tool is still beeps, it means you have replaced the battery successfully, If no voice, indicating fuse burned .</li></ol><br /><strong>Specification:</strong><br />Cable Length: about 1.1m/ 39.4Inches<br />material: Bold copper<br /><br />Package Contents:<br />1 X OBD CAR MEMORY SAVER ( Battery is not included )<br /><br />  Package List: Package Contents:1 X OBD CAR MEMORY SAVER ( Battery is not included )