CYHY!

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 technologyhas high quality night visionand has motion detection function.3)the CYHY is made for your super family car.