Car Memory Saver Protection Connector, OBD2 Battery Change Saver, Memory ECU Power Off Protector, 12V Quick Release Adapter with Digital Display 5A Fuse OBD2 Car ECU Connector Battery Saver with LED Auto ECU Memory Savers Automotive OBD Saver Replace Tools Battery Safe Resume Tool Features: -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 will help you these problems. Package Content: 1 x Detection tool Specifications: - Size: free size - Material: ABS + Electronic Component Cable Length: 1.5m/59.06" (Approx.) Notes: 1. Manual measuring, please allow 1 ~ 3mm error, thank you. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. We guarantee the style is the same as shown in the picture. 3. Vehicles with delay protection need to wait for half an hour before starting operation