Please contact us before purchasing products.

And tell usthe car brand and date of productionto make sure our products can support your cars.

Usually our products can support90%  car models after 2007 year.

Please firstly confirm that you are awared ofTHE CUSTOM TAXyou need to pay when products arrive at your country , since there are several examples that customers BLAME US that we let them pay high tax.

If we did something fake in the custom specification, we would be punished by Aliexpress and Chinese custom already!!!!

Speed meter indication error Speed Meter indicates speed and actual speed according to formula :

The vehicle speed correction is based on 100km/h.

The error of the vehicle in the low speed state       is the reason why the original vehicle meter is not linearly displayed.

Specifically, you can connect to the OBD socket test with a dedicated instrument in the 4s shop.