Main features: - It supports TF card storage. And it will automatically cover the expired files when the space of storage card is used fully and then carry on loop recording. - With the function of G-sensor, it could lock the current file to record the accident moment when it is detected a collision. - Designed with the 130-degree wide field of vision, no blind area, 70mai dash cam ensures that the angles of all records can be covered. - 70mai dash cam is with superior night vision function. It can capture all the details in 1944P images no matter day or night. - The recorded videos can be monitored on the APP called '70mai Dash Cam'. So, you can download it on your phone to get real-time online visual resources. - It is with defogging function, which could effectively reduce distortion or degradation of images and reproduce a clear vision while driving in a haze environment.