1)”CYHY” is an app that is specially designed for Tachograph. “CYHY” can watch live time videos, take a photo, download videos or pictures which is recorded by anyone, and make a custom setting for Tachograph through wifi.
2)The device of “CYHY” is an advanced DV which is specially designed for car. the DV use WDR technology，has high quality night vision，and has motion detection function.
3)the “CYHY” is made for your super family car.
2)The device of “CYHY” is an advanced DV which is specially designed for car. the DV use WDR technology，has high quality night vision，and has motion detection function.
3)the “CYHY” is made for your super family car.
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