HD 720P dash cam records high-quality and smooth video day and night at 30 frames per second and captures all the critical details such as license plates, signposts, etc.  Never miss what matters.  Compatible with Eonon Android head units.  You can use it with your Android head units to check the recording videos, monitor road conditions and so forth, with the big screen of your head unit.  Insert a Micro SD card into the card slot and you can use it to record and save more footage without occupying the memory of your Android head unit.