
My dad has an OBD2 reader and loves it. They come in handy when diagnosing a check engine light or just tracking your car's performance. It was large and came with its own screen and attached cable. This little guy has all the features and isn't bulky. It fits in the palm of your hand and even better in the glove compartment. I was looking for one that uses my smartphone instead of the screen as I keep it in my car. So far it seems to be meeting my expectations.

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