USB driving recorder, loop recording, after the vehicle is started, it will automatically cycle through bad recording, no frame drop, no missing seconds, and automatically overwrite the earliest video when the memory card is full. The 170° wide-angle lens is enough to cover three lanes to record a wider field of vision, and the hidden USB driving recorder is plug-and-play Android large-screen navigation companion. U2 Hidden 5 core functions: ADAS assisted driving, 140° wide-angle lens, USB car-machine combination, fixed speed measuring electronic dog, automatic coverage of loop recording. The use of a large aperture lens and a high-sensitivity chip solves the problem of unclear video recording at night, and can produce good visual effects even in low-light environments at night. With the expandable function of Android large-screen navigation, it is compatible with the central control screen of Android 4.0 or above. Without WIFI, you can directly watch the recording situation on the central control screen by connecting with a USB cable. Plug and play is convenient for viewing. Using dynamic video camera technology, aligning with the driving line of the lane to realize lane departure warning and voice reminder function of front vehicle collision. The built-in fixed speed measurement electronic dog can accurately identify the latest data of the road speed measurement and capture the lot, allowing you to drive more freely, refuse tickets, and travel safely. By default, the voice broadcast function is enabled to remind the owner of various situations in real time without needing to watch the screen all the time. Driving is safer Video recording is looped without frame loss or seconds. When the memory card is full, it can be automatically overwritten to save the newly recorded video.