For many owners, consciousness all know to install a tachograph, sailing Happy Valley-third of the risk, as we all know. Because there are many on the market today, such as: independent with screens embedded into the DVD on endoscopy display, varied, as Audi owners, just want to have this feature, but also want some particularity, so you You can see below this tachograph it! current car ownership is gradually increased, then the moving process, will inevitably encounter all kinds of accidents. duang ~ drunk driving, under the quality, as well as various professional "Pengci" force. Road accidents are inevitable, if installed a tachograph, can reduce a lot of trouble, so why not? It is important evidence and then hand the critical moment, who also do not want to deny. However, a variety of brands available in the market are mostly stick logger on the front windshield, so that one will affect the appearance, while also affect drove out of sight. The prevalence of a recent "big up" tachograph, hidden installation, does not change the structure of the original car, driving record screen always synchronized with the phone, and can be downloaded to the phone inside,