I think it's a good tool for those learning to drive, the point isn't too watch the app more to listen out for it, it has a display so the app can judge the distance and what not, it has audio warning sounds fit various things (ie. being too close to other cars, the other lane, and you can set a speed limit that it will alert you if your close to exceeding or if you have exceeded), I personally think I'd a great tool, just wish it worked better when on dash instead of windshield, didn't see enough of the road if it's on the dash in my firebird
You can also set it so it alerts you while your listening to music or using GPS ect
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