The Performance Tool Battery Alternator Testeris easy to use， just plug in to the 12V cigarette lighter in your car， the LED indicators will show you the status of your battery and alternator. 3 LED indicators to show the battery condition: weak， normal or strong. 3 LED indicators to check the status of the alternator voltage: low， normal or high.
Features
- Works on any 12 volt system， compact design for easy storage
- Compact size
- Handy item for your glove box so you know right away if the problem you have is related to the battery
Specifications
- Application: Vehicle Accessories
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