Indeed and that is why I bought it. I saw and read lots of positives and it is used by several tuners who could afford more expensive equipment yet swear on its accuracy. Not being expensive and fullfilling all the needs so well, it's absolutely worth it even for those who plan to use it occasionally and for their own purposes without necessarily competing with others. For me it's something new as with all previous cars I never associated any GPS performance measuring device (or APP for that matter) except my TomTom navigation to see the actual top speed I was driving on German highways.
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