Car OBD2 ECU Connector Battery Saver Auto ECU Memory Savers Automotive 24453
Easy to carry, convenient and safe to use.
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.
Using this simple tool when replacing your car battery help you these problems.

Colour:A:black+red
Material:plastic

Package Contents:
1 x Detection tool