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Used 10 Hz GPS + Beidou dual-mode chip
Applicable to all models
Compact and portable, won't interfere with the driver's vision
Riter2003
Reviewed in the United States on June 20, 2024
Works fine
Robin
Reviewed in the United States on June 14, 2024
I have a love hate relationship with this. I want to love it, but it only works sometimes. The concept is great, don't have to look down at the speedometer, it is eye level. When it works, it works as it should, but what I have discovered is it is temperamental regarding heat. Mind you I do not live in a hot climate, but best I can tell if the car has been left outdoors in temperatures above 70 degrees the readings are faulty and not by a little. It registers at more than 25 mph over what you are really going. That is not very helpful and kind of defeats the purpose. I can only image what will happen in extreme cold temperatures. It is worth checking out, and maybe I just have a faulty one.
mus yaz
Reviewed in the United States on May 30, 2024
There's no instruction on how to change between mph/kph. Customer care is a joke, not helping at all
rich
Reviewed in the United States on March 3, 2024
Love it. My 1970 car speedo broke and is a major pain to just get the instrument panel out much less repair it so i looked for a solution besides using my smart phone and found this. Im totally blown away at how great this thing is. I used the film that makes it very visible but u might not need to depending on your particular glass in your car. After trying it out i made it more of a permanent installation by semi hiding the one power wire by running down the left side and tucking behind some trim and hooking a usb plug into the accessory fuse circuit. Only negative is as others have stated it takes a little time to get going after starting but by the time I'm backed out of the garage and getting up to speed it's good. I love having a digital speed ever since i got our regular car that has one in the dash. If i ever get around to fixing the old speedo I'm still keeping this
shamsur rahman
Reviewed in the United States on March 28, 2024
The media could not be loaded.
ROY KIM
Reviewed in the United States on March 14, 2024
But, it keeps changing the unit to kilo. How can I change it back?
Channing H.
Reviewed in the United States on February 10, 2024
It says a power option is "cigarette lighter connector" but has none.
AC
Reviewed in the United States on November 21, 2024
pro:the LED is bright enough that I don't need to use the reflective sticker.the unit pick up GPS fast and is extremely responsive and accurate UNDER 40mph.con:there's a offset when your speed goes over 40mph@ 40mph the unit shows 42mph +2mph@ 50mph the unit display 53mph +3mph@ 60~65+mph the unit display +5mph.cross checked with phone's gps mph.good thing is the +2~+5mph seems to be consistent.
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