A12 wireless tachograph app via intuitive and friendly user interface, users can quickly and by the WiFi wireless tachograph coupling complete preview control (video or pictures), set, browse files, play online ., the file download function from the user can set aside USB cable and computer links or plug inconvenience memory cards, and buttons on the device, directly from your phone to get first-hand main functions:! • control (video or pictures) • preview (webcams) • file (even in the video nor shall pause) • online play (play directly from your phone in the tachograph files without download) • Download • tachograph parameter setting